Circus (Britney Spears song) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Circus (Britney Spears song)" in English language version.

refsWebsite

Global rank English rank

37web.archive.org

1^st place

19billboard.com

19^th place

18^th place

6mtv.com

80^th place

67^th place

4acharts.us

2,710^th place

2,224^th place

4amazon.de

2,145^th place

2,190^th place

3worldcat.org

5^th place

3aria.com.au

948^th place

599^th place

3officialcharts.com

76^th place

69^th place

3ultratop.be

257^th place

219^th place

3tophit.com

6,935^th place

4,122^nd place

3apple.com

67^th place

64^th place

2ifpi.org

4,645^th place

3,389^th place

2britneyspears.com

low place

2fmqb.com

7,637^th place

4,281^st place

2archive.today

14^th place

2digitalspy.co.uk

277^th place

196^th place

2ew.com

35^th place

31^st place

2australian-charts.com

596^th place

389^th place

2ifpicr.cz

2,014^th place

1,250^th place

2slagerlistak.hu

1,726^th place

1,006^th place

2amazon.es

low place

2amazon.fr

3,832^nd place

4,654^th place

27digital.com

low place

7,806^th place

2amazon.com

105^th place

79^th place

2about.com

216^th place

186^th place

1hitquarters.com

4,070^th place

2,380^th place

1musicnotes.com

5,059^th place

2,895^th place

1popjustice.com

low place

7,564^th place

1nme.com

128^th place

91^st place

1musicomh.com

4,781^st place

2,742^nd place

1sputnikmusic.com

1,759^th place

1,136^th place

1thetimes.com

low place

1bbc.co.uk

8^th place

10^th place

1thequietus.com

2,163^rd place

1,236^th place

1rianz.org.nz

low place

1mtv.com.au

low place

8,312^th place

1mtv.co.uk

2,621^st place

1,631^st place

1britney.com

low place

1vevo.com

8,953^rd place

5,437^th place

1cosmopolitan.com

683^rd place

528^th place

1telegraph.co.uk

30^th place

24^th place

1usatoday.com

41^st place

34^th place

1people.com

31^st place

25^th place

1gmanetwork.com

824^th place

488^th place

1portalpopline.com.br

7,424^th place

low place

1austriancharts.at

276^th place

477^th place

1bamp-bg.org

low place

1excelsiorcalifornia.com

low place

1danishcharts.dk

2,791^st place

1,649^th place

1top40-charts.com

5,658^th place

4,052^nd place

1worldradiohistory.com

316^th place

190^th place

1ifpi.fi

1,413^th place

1,091^st place

1lescharts.com

582^nd place

541^st place

1offiziellecharts.de

190^th place

325^th place

1irishcharts.ie

1,454^th place

841^st place

1mediaforest.biz

low place

1vanguardia.com.mx

4,496^th place

8,464^th place

1top40.nl

1,183^rd place

838^th place

1dutchcharts.nl

400^th place

259^th place

1charts.nz

720^th place

419^th place

1norwegiancharts.com

1,106^th place

702^nd place

1swedishcharts.com

659^th place

483^rd place

1swisscharts.com

630^th place

421^st place

1billboard.com.tr

low place

1maistocadas.mus.br

low place

1nrjlebanon.com

low place

1top40web.nl

low place

1hitlistan.se

low place

1ukchartsplus.co.uk

6,715^th place

3,870^th place

1dropbox.com

1,209^th place

689^th place

1hitlisten.nu

5,971^st place

3,625^th place

1infodisc.fr

1,968^th place

1,778^th place

1musikindustrie.de

1,018^th place

999^th place

1radioscope.co.nz

low place

1bpi.co.uk

292^nd place

226^th place

1riaa.com

162^nd place

128^th place

7digital.com (Global: low place; English: 7,806^th place)

ca.7digital.com

"Circus". Canada: 7digital.^{[dead link]}
"Circus". Canada: 7digital.^{[permanent dead link]}

about.com (Global: 216^th place; English: 186^th place)

dancemusic.about.com

Norman, Ben (December 2, 2008). "Britney Spears – 'Circus'". About.com. Archived from the original on July 7, 2011. Retrieved December 26, 2011.

top40.about.com

Lamb, Bill (2009). "Teen Choice Awards 2009 Music — Your Guide to Music at the 2009 Teen Choice Awards". About.com. Archived from the original on June 29, 2011. Retrieved December 18, 2010.

acharts.us (Global: 2,710^th place; English: 2,224^th place)

"Canada Singles Top 100". Canadian Hot 100. acharts.us. December 20, 2008. Retrieved November 9, 2010.
"Australia Singles Top 50 (December 8, 2008) – Music Charts". Australian Singles Chart. acharts.us. December 8, 2008. Retrieved November 9, 2010.
"Australia Singles Top 50 (December 22, 2008) – Music Charts". Australian Singles Chart. acharts.us. December 8, 2008. Retrieved November 9, 2010.
"UK Singles Top 75". The Official Charts Company. acharts.us. February 1, 2009. Retrieved January 4, 2010.

amazon.com (Global: 105^th place; English: 79^th place)

Spears, Britney. "Circus - Remix EP by Britney Spears on Amazon Music". Amazon. Retrieved August 15, 2019.
Britney Spears, Circus, United States: Amazon Music, retrieved September 21, 2016

amazon.de (Global: 2,145^th place; English: 2,190^th place)

"Circus" (in German). Germany: Amazon Music. Archived from the original on April 10, 2015. Retrieved August 9, 2021.
"Circus/Basic - Britney Spears: Amazon.de: Musik". Amazon.de. Retrieved August 15, 2019.
"Circus/Premium - Britney Spears: Amazon.de: Musik". Amazon.de. Retrieved August 15, 2019.
Britney Spears, Circus (in German), Germany: Amazon Music, retrieved September 21, 2016

amazon.es (Global: low place; English: low place)

"Circus: Britney Spears: Amazon.es: Tienda MP3". Archived from the original on April 2, 2015. Retrieved March 22, 2015.
Britney Spears, Circus - Remix EP, retrieved September 21, 2016

amazon.fr (Global: 3,832^nd place; English: 4,654^th place)

"Circus - Remix EP". amazon.fr. Retrieved September 21, 2016.
Britney Spears, Circus (in French), France: Amazon Music, retrieved September 21, 2016

apple.com (Global: 67^th place; English: 64^th place)

music.apple.com

"Circus (Remix) - EP by Britney Spears". Apple Music (US). February 20, 2009. Archived from the original on June 24, 2022. Retrieved July 14, 2022.
"Circus (Twister Rave Remix) - Single by Britney Spears". Apple Music (US). August 30, 2013. Archived from the original on July 14, 2022. Retrieved July 14, 2022.

itunes.apple.com

"Circus (Digital 45)". United States: iTunes Store.^{[dead link]}

archive.today (Global: 14^th place; English: 14^th place)

Murphy, John (December 1, 2008). "Britney Spears — Circus (RCA)". musicOMH. Archived from the original on September 12, 2012. Retrieved December 26, 2011.
"Circus" (in German). Germany: Amazon Music. Archived from the original on April 10, 2015. Retrieved August 9, 2021.

aria.com.au (Global: 948^th place; English: 599^th place)

"Britney Spears — Circus ARIA certification". Australian Recording Industry Association. Archived from the original on February 12, 2012. Retrieved November 9, 2010.
"Aria Top 100 Singles 2008". Australian Recording Industry Association. aria.com.au. Archived from the original on April 13, 2010. Retrieved January 10, 2010.
"Aria Top 100 Singles 2009". Australian Recording Industry Association. aria.com.au. Archived from the original on November 12, 2010. Retrieved January 10, 2010.

australian-charts.com (Global: 596^th place; English: 389^th place)

"Circus on world charts". Ultratop 50. 2009. Retrieved January 4, 2010.
"Britney Spears – Circus". ARIA Top 50 Singles.

austriancharts.at (Global: 276^th place; English: 477^th place)

"Britney Spears – Circus" (in German). Ö3 Austria Top 40.

bamp-bg.org (Global: low place; English: low place)

"NMC Airplay TOP 10 Week08 (16.02.2009 - 22.02.2009)". BAMP. Archived from the original on April 9, 2009. Retrieved May 4, 2019.

bbc.co.uk (Global: 8^th place; English: 10^th place)

Kraines, Talia (November 28, 2008). "Britney Spears Circus Review". BBC Music. Retrieved December 26, 2011.

billboard.com (Global: 19^th place; English: 18^th place)

Trust, Gary (July 17, 2016). "Ask Billboard: Britney Spears' Career Sales & How Big a Hit Will 'Make Me' Be?". Billboard. Prometheus Global Media. Retrieved July 17, 2016.
Hasty, Katie (December 10, 2008). "Britney's 'Circus' Debuts Atop Album Chart". Billboard. Retrieved June 2, 2022.
"Circus — Britney Spears". Billboard. Nielsen Company. Retrieved January 4, 2010.
Trust, Gary (May 15, 2020). "Britney Spears' Career Sales & Streams, In Honor of 20 Years of 'Oops!...I Did It Again': Ask Billboard Mailbag". Billboard. Retrieved June 2, 2022.
Caulfield, Keith (December 28, 2013). "Britney Spears' Hits-Filled 'Piece of Me' Show Opens In Las Vegas: Live Review". Billboard. Retrieved June 2, 2022.
"Britney Spears Chart History (Canadian Hot 100)". Billboard.
"Britney Spears Chart History (Canada CHR/Top 40)". Billboard. Retrieved November 28, 2019.
"Britney Spears Chart History (Canada Hot AC)". Billboard. Retrieved July 10, 2020.
"Britney Spears – Global Dance Songs". Billboard. Retrieved November 25, 2020.
"Britney Spears Chart History (Japan Hot 100)". Billboard.
"Britney Spears Chart History (Hot 100)". Billboard.
"Britney Spears Chart History (Adult Pop Songs)". Billboard.
"Britney Spears Chart History (Dance Club Songs)". Billboard.
"Britney Spears Chart History (Pop Songs)". Billboard.
"Britney Spears Chart History (Rhythmic)". Billboard.
"Aria Top 100 Singles 2008". Billboard. Nielsen Company. Retrieved December 31, 2009.
"Billboard end of year charts". Billboard. Nielsen Company. 2009. Retrieved January 4, 2010.
"Best of 2009: Pop Songs". Billboard. Prometheus Global Media. 2009. Retrieved December 9, 2009.
"Best of 2009: Digital Songs". Billboard. Prometheus Global Media. 2009. Retrieved December 9, 2009.

billboard.com.tr (Global: low place; English: low place)

"Billboard Türkiye Chart History". Billboard. Archived from the original on February 1, 2009. Retrieved December 16, 2022.

bpi.co.uk (Global: 292^nd place; English: 226^th place)

"British single certifications – Britney Spears – Circus". British Phonographic Industry. Retrieved August 23, 2024.

britney.com (Global: low place; English: low place)

Britannica (December 14, 2009). "Britney Wins Fuse TV's "Best of 2009"". Britney.com. Brandcasting Unlimited. Archived from the original on December 20, 2009. Retrieved November 10, 2010.

britneyspears.com (Global: low place; English: low place)

Reporter, Jennifer (October 31, 2008). "Britney's Next Single: 'Circus'". BritneySpears.com. Brandcasting Unlimited. Archived from the original on December 17, 2008. Retrieved November 9, 2010.
Staff Reporter (November 17, 2008). "Get Excited For the New For the Record Promo". BritneySpears.com. Brandcasting Unlimited. Archived from the original on March 7, 2009. Retrieved November 10, 2010.

charts.nz (Global: 720^th place; English: 419^th place)

"Britney Spears – Circus". Top 40 Singles.

cosmopolitan.com (Global: 683^rd place; English: 528^th place)

"How Do You Do, Fellow Kids? Here Are the 20 Best Songs on TikTok Right Now". Cosmopolitan. April 29, 2021. Retrieved May 5, 2021.

danishcharts.dk (Global: 2,791^st place; English: 1,649^th place)

"Britney Spears – Circus". Tracklisten.

digitalspy.co.uk (Global: 277^th place; English: 196^th place)

Levine, Nick (November 10, 2008). "Music — The Sound — Notes on the new Britney album". Digital Spy. Hachette Filipacchi (UK) Ltd. Retrieved November 9, 2010.
Balls, David (December 5, 2008). "Britney cracks her whip for 'Circus' video!". Digital Spy. Hachette Filipacchi (UK) Ltd. Retrieved January 4, 2010.

dropbox.com (Global: 1,209^th place; English: 689^th place)

"ARIA Charts – Accreditations – 2009 Singles" (PDF). Australian Recording Industry Association. Retrieved January 10, 2015.

dutchcharts.nl (Global: 400^th place; English: 259^th place)

"Britney Spears – Circus" (in Dutch). Single Top 100.

ew.com (Global: 35^th place; English: 31^st place)

Willman, Chris (November 29, 2008). "Circus Review". Entertainment Weekly. Retrieved June 2, 2022.
Stack, Tim (December 5, 2008). "Britney's 'Circus' video: Sensation or sideshow?". Entertainment Weekly. Retrieved June 2, 2022.

excelsiorcalifornia.com (Global: low place; English: low place)

"Éxitos discográficos americanos". Excelsior California. May 8, 2009. Archived from the original on May 30, 2024. Retrieved May 30, 2024.

fmqb.com (Global: 7,637^th place; English: 4,281^st place)

"Available for Airplay". FMQB. Archived from the original on January 1, 2010. Retrieved January 4, 2010.
"available for airplay". fmqb.com. Archived from the original on January 1, 2010. Retrieved September 21, 2016.

gmanetwork.com (Global: 824^th place; English: 488^th place)

Tantiangco, Aya (June 9, 2017). "Britney Spears' set list in Japan will get you pumped for her Manila concert". GMA News and Public Affairs. GMA Holdings, Inc. Retrieved October 22, 2017.

hitlistan.se (Global: low place; English: low place)

"Árslistor — Árslista Singlar — 2009" (in Swedish). hitlistan.se. Archived from the original on July 27, 2010. Retrieved June 26, 2010.

hitlisten.nu (Global: 5,971^st place; English: 3,625^th place)

"Danish single certifications – Britney Spears – Circus". IFPI Danmark. Retrieved January 10, 2015.

hitquarters.com (Global: 4,070^th place; English: 2,380^th place)

Bouwman, Kimbel (May 24, 2010). "A&R, Record Label / Company, Music Publishing, Artist Manager and Music Industry Directory". HitQuarters. Archived from the original on November 19, 2010. Retrieved November 9, 2010.

ifpi.fi (Global: 1,413^th place; English: 1,091^st place)

"Britney Spears: Circus" (in Finnish). Musiikkituottajat.

ifpi.org (Global: 4,645^th place; English: 3,389^th place)

"Digital Music Sales Around The World" (PDF). International Federation of the Phonographic Industry. January 21, 2010. p. 10. Archived from the original (PDF) on July 2, 2018. Retrieved December 15, 2010.
"IFPI Digital Music Report 2010" (PDF). International Federation of the Phonographic Industry. ifpi.org. 2010. Archived from the original (PDF) on July 2, 2018. Retrieved January 22, 2010.

ifpicr.cz (Global: 2,014^th place; English: 1,250^th place)

"Britney Spears — Circus (Czech Airplay Chart)". Czech Airplay Chart. Archived from the original on July 5, 2006. Retrieved January 5, 2010.search
"SNS Ifpi". Archived from the original on January 10, 2007. Retrieved February 10, 2011. Please insert 200904 into search

infodisc.fr (Global: 1,968^th place; English: 1,778^th place)

"Les Singles les plus Vendus de la Décennie (2000–2009)" (in French). Infodisc. Archived from the original on June 10, 2012. Retrieved March 18, 2025.

irishcharts.ie (Global: 1,454^th place; English: 841^st place)

"The Irish Charts – Search Results – Circus". Irish Singles Chart.

lescharts.com (Global: 582^nd place; English: 541^st place)

"Les charts français". lescharts.com. Retrieved January 5, 2010.

maistocadas.mus.br (Global: low place; English: low place)

"Brazilian Top 100 Year-End 2009". Crowley Broadcast Analysis. April 3, 2018. Retrieved January 30, 2022.

mediaforest.biz (Global: low place; English: low place)

"Media Forest: Airplay chart". mediaforest.biz. Archived from the original on April 7, 2014. Retrieved March 30, 2012.

mtv.co.uk (Global: 2,621^st place; English: 1,631^st place)

MTV News Staff (September 21, 2009). "EMA Nominations Announced". MTV. MTV Networks. Archived from the original on October 30, 2009. Retrieved January 5, 2010.

mtv.com (Global: 80^th place; English: 67^th place)

Vena, Jocelyn; Elias, Matt (November 21, 2008). "Britney Spears Doc Shows 'Where She Is And Where She Is Going,' Manager Larry Rudolph Says". MTV. Archived from the original on January 8, 2015. Retrieved June 2, 2022.
Montgomery, James (December 5, 2008). "Britney Spears' 'Circus' Video — Check It Out Here!". MTV. Archived from the original on July 25, 2015. Retrieved June 2, 2022.
"Complete List Of MTV Video Music Award Nominees". MTV. August 4, 2009. Archived from the original on December 27, 2014. Retrieved June 2, 2022.
Montgomery, James (December 9, 2008). "Britney Spears' 'Circus' Video Taken To Task By PETA, But Trainers Insist Animals Were Treated Well". MTV. Archived from the original on September 25, 2015. Retrieved June 2, 2022.
Vena, Jocelyn (December 2, 2008). "Britney Spears Wows Fans, Family With 'Good Morning America' Birthday Performance". MTV. Archived from the original on January 23, 2015. Retrieved June 2, 2022.
Montgomery, James (March 4, 2009). "Britney Spears Fits Just About Everything Into First Circus Tour Stop". MTV. MTV Networks. Archived from the original on May 21, 2014. Retrieved June 2, 2022.

mtv.com.au (Global: low place; English: 8,312^th place)

James, Sarah Louise (March 27, 2009). "Best Bits and Winners: the Vodafone MTVAAs!". MTV Australia. Archived from the original on October 2, 2017. Retrieved October 11, 2010.

musicnotes.com (Global: 5,059^th place; English: 2,895^th place)

Kelly, Claude; Gottwald, Lukasz; Blanco, Benny (2008). "Digital Sheet Music – Britney Spears – TCircus". Musicnotes.com. Kobalt Music Publishing Inc.

musicomh.com (Global: 4,781^st place; English: 2,742^nd place)

Murphy, John (December 1, 2008). "Britney Spears — Circus (RCA)". musicOMH. Archived from the original on September 12, 2012. Retrieved December 26, 2011.

musikindustrie.de (Global: 1,018^th place; English: 999^th place)

"Gold-/Platin-Datenbank (Britney Spears; 'Circus')" (in German). Bundesverband Musikindustrie. Retrieved January 21, 2023.

nme.com (Global: 128^th place; English: 91^st place)

MacBain, Hamish (November 28, 2008). "Circus Review". NME. Retrieved December 26, 2011.

norwegiancharts.com (Global: 1,106^th place; English: 702^nd place)

"Britney Spears – Circus". VG-lista.

nrjlebanon.com (Global: low place; English: low place)

"NRJ TOP 100 of 2009". NRJ Lebanon. 2009. Retrieved March 17, 2023.

officialcharts.com (Global: 76^th place; English: 69^th place)

Myers, Justin (August 23, 2016). "Britney Spears: her biggest selling singles and albums revealed". Official Charts Company. Archived from the original on November 16, 2018. Retrieved April 19, 2019.
"Official Scottish Singles Sales Chart Top 100". Official Charts Company. Retrieved September 6, 2018.
"Britney Spears: Artist Chart History". Official Charts Company.

offiziellecharts.de (Global: 190^th place; English: 325^th place)

"Britney Spears – Circus" (in German). Official German Charts. Retrieved August 9, 2021.

people.com (Global: 31^st place; English: 25^th place)

Arnold, Chuck (March 4, 2009). "CONCERT REVIEW: Britney Yet to Hit Stride". People. Retrieved June 2, 2022.

popjustice.com (Global: low place; English: 7,564^th place)

Reporter, Pop Justice (November 11, 2008). "It's some Britney bits". Popjustice. Archived from the original on December 19, 2008. Retrieved January 4, 2010.

portalpopline.com.br (Global: 7,424^th place; English: low place)

Medeiros, Kavad (July 13, 2018). "Com novidades na setlist, Britney Spears estreia sua nova turnê com show nos Estados Unidos" [With some new changes, Britney Spears kicks off her new tour with a concert in the USA]. POPline (in Portuguese). Brazil. Retrieved August 4, 2018.

radioscope.co.nz (Global: low place; English: low place)

"New Zealand single certifications – Britney Spears – Circus". Radioscope. Retrieved December 13, 2024. Type Circus in the "Search:" field.

riaa.com (Global: 162^nd place; English: 128^th place)

"American single certifications – Britney Spears – Circus". Recording Industry Association of America. Retrieved October 24, 2023.

rianz.org.nz (Global: low place; English: low place)

"Chart: Circus gold certification". Recording Industry Association of New Zealand. Archived from the original on December 16, 2008. Retrieved November 9, 2010.

slagerlistak.hu (Global: 1,726^th place; English: 1,006^th place)

"2009/11. heti Editors' Choice Top 40 slágerlista" (in Hungarian). MAHASZ. Retrieved May 29, 2025.
"Archívum – Slágerlisták – MAHASZ" (in Hungarian). Single (track) Top 40 lista. Magyar Hanglemezkiadók Szövetsége.

sputnikmusic.com (Global: 1,759^th place; English: 1,136^th place)

De Sylvia, Dave (November 30, 2008). "Britney Spears Circus". Sputnikmusic. Jeremy Ferwerda. Retrieved January 4, 2010.

swedishcharts.com (Global: 659^th place; English: 483^rd place)

"Britney Spears – Circus". Singles Top 100.

swisscharts.com (Global: 630^th place; English: 421^st place)

"Britney Spears – Circus". Swiss Singles Chart.

telegraph.co.uk (Global: 30^th place; English: 24^th place)

Alexander, Hilary (March 2, 2009). "Britney Spears kicks off Circus world tour in New Orleans". The Daily Telegraph. Archived from the original on March 7, 2009. Retrieved December 11, 2009.

thequietus.com (Global: 2,163^rd place; English: 1,236^th place)

Mugwump, Jonny (December 2, 2008). "Reviews: Britney Spears — Circus". The Quietus. Retrieved December 26, 2011.

thetimes.com (Global: low place; English: low place)

Cairns, Dan (November 30, 2009). "Britney Spears: Circus — the Sunday Times review". The Sunday Times. Retrieved June 2, 2022.

top40-charts.com (Global: 5,658^th place; English: 4,052^nd place)

"Europe Official Top 100". top40-charts. Retrieved January 5, 2010.

top40.nl (Global: 1,183^rd place; English: 838^th place)

"Britney Spears - Circus". top40.nl. Retrieved January 5, 2010.

top40web.nl (Global: low place; English: low place)

"Dutch Top 40 Year End". MegaCharts. Retrieved May 6, 2010.

tophit.com (Global: 6,935^th place; English: 4,122^nd place)

Britney Spears — Circus. TopHit. Retrieved April 15, 2021.
"Top Radio Hits Russia Weekly Chart: Jan 22, 2009". TopHit. Retrieved April 25, 2024.
"Top Radio Hits Ukraine Weekly Chart: Mar 12, 2009". TopHit. Retrieved April 27, 2024.

ukchartsplus.co.uk (Global: 6,715^th place; English: 3,870^th place)

"Charts Plus Year end 2009" (PDF). Charts Plus. Retrieved July 19, 2010.

ultratop.be (Global: 257^th place; English: 219^th place)

"Britney Spears – Circus" (in Dutch). Ultratop 50.
"Britney Spears – Circus" (in French). Ultratop 50.
"Rapports annuels 2009". ultratop.be. Retrieved March 4, 2010.

usatoday.com (Global: 41^st place; English: 34^th place)

Shriver, Jerry (March 4, 2009). "Britney in concert: The Circus is finally back in town". USA Today. Gannett Company, Inc. Retrieved December 11, 2009.

vanguardia.com.mx (Global: 4,496^th place; English: 8,464^th place)

"La Quinta Estación sigue en primer lugar de preferencias radiales" (in Spanish). Vanguardia. March 23, 2009. Retrieved April 18, 2017.

vevo.com (Global: 8,953^rd place; English: 5,437^th place)

"Britney Spears - Circus - YouTube". Vevo. October 25, 2009. Retrieved August 15, 2019.

web.archive.org (Global: 1^st place; English: 1^st place)

"Digital Music Sales Around The World" (PDF). International Federation of the Phonographic Industry. January 21, 2010. p. 10. Archived from the original (PDF) on July 2, 2018. Retrieved December 15, 2010.
Bouwman, Kimbel (May 24, 2010). "A&R, Record Label / Company, Music Publishing, Artist Manager and Music Industry Directory". HitQuarters. Archived from the original on November 19, 2010. Retrieved November 9, 2010.
Reporter, Jennifer (October 31, 2008). "Britney's Next Single: 'Circus'". BritneySpears.com. Brandcasting Unlimited. Archived from the original on December 17, 2008. Retrieved November 9, 2010.
"Available for Airplay". FMQB. Archived from the original on January 1, 2010. Retrieved January 4, 2010.
Reporter, Pop Justice (November 11, 2008). "It's some Britney bits". Popjustice. Archived from the original on December 19, 2008. Retrieved January 4, 2010.
Norman, Ben (December 2, 2008). "Britney Spears – 'Circus'". About.com. Archived from the original on July 7, 2011. Retrieved December 26, 2011.
Lamb, Bill (2009). "Teen Choice Awards 2009 Music — Your Guide to Music at the 2009 Teen Choice Awards". About.com. Archived from the original on June 29, 2011. Retrieved December 18, 2010.
"Britney Spears — Circus ARIA certification". Australian Recording Industry Association. Archived from the original on February 12, 2012. Retrieved November 9, 2010.
"Chart: Circus gold certification". Recording Industry Association of New Zealand. Archived from the original on December 16, 2008. Retrieved November 9, 2010.
Myers, Justin (August 23, 2016). "Britney Spears: her biggest selling singles and albums revealed". Official Charts Company. Archived from the original on November 16, 2018. Retrieved April 19, 2019.
"IFPI Digital Music Report 2010" (PDF). International Federation of the Phonographic Industry. ifpi.org. 2010. Archived from the original (PDF) on July 2, 2018. Retrieved January 22, 2010.
Vena, Jocelyn; Elias, Matt (November 21, 2008). "Britney Spears Doc Shows 'Where She Is And Where She Is Going,' Manager Larry Rudolph Says". MTV. Archived from the original on January 8, 2015. Retrieved June 2, 2022.
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worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

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worldradiohistory.com (Global: 316^th place; English: 190^th place)

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Circus (Britney Spears song) (English Wikipedia)

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amazon.fr (Global: 3,832nd place; English: 4,654th place)

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mtv.com (Global: 80th place; English: 67th place)

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swisscharts.com (Global: 630th place; English: 421st place)

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top40web.nl (Global: low place; English: low place)

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ultratop.be (Global: 257th place; English: 219th place)

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vevo.com (Global: 8,953rd place; English: 5,437th place)

web.archive.org (Global: 1st place; English: 1st place)

7digital.com (Global: low place; English: 7,806^th place)

about.com (Global: 216^th place; English: 186^th place)

acharts.us (Global: 2,710^th place; English: 2,224^th place)

amazon.com (Global: 105^th place; English: 79^th place)

amazon.de (Global: 2,145^th place; English: 2,190^th place)

amazon.fr (Global: 3,832^nd place; English: 4,654^th place)

apple.com (Global: 67^th place; English: 64^th place)

archive.today (Global: 14^th place; English: 14^th place)

aria.com.au (Global: 948^th place; English: 599^th place)

australian-charts.com (Global: 596^th place; English: 389^th place)

austriancharts.at (Global: 276^th place; English: 477^th place)

bbc.co.uk (Global: 8^th place; English: 10^th place)

billboard.com (Global: 19^th place; English: 18^th place)

bpi.co.uk (Global: 292^nd place; English: 226^th place)

charts.nz (Global: 720^th place; English: 419^th place)

cosmopolitan.com (Global: 683^rd place; English: 528^th place)

danishcharts.dk (Global: 2,791^st place; English: 1,649^th place)

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dropbox.com (Global: 1,209^th place; English: 689^th place)

dutchcharts.nl (Global: 400^th place; English: 259^th place)

ew.com (Global: 35^th place; English: 31^st place)

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gmanetwork.com (Global: 824^th place; English: 488^th place)

hitlisten.nu (Global: 5,971^st place; English: 3,625^th place)

hitquarters.com (Global: 4,070^th place; English: 2,380^th place)

ifpi.fi (Global: 1,413^th place; English: 1,091^st place)

ifpi.org (Global: 4,645^th place; English: 3,389^th place)

ifpicr.cz (Global: 2,014^th place; English: 1,250^th place)

infodisc.fr (Global: 1,968^th place; English: 1,778^th place)

irishcharts.ie (Global: 1,454^th place; English: 841^st place)

lescharts.com (Global: 582^nd place; English: 541^st place)

mtv.co.uk (Global: 2,621^st place; English: 1,631^st place)

mtv.com (Global: 80^th place; English: 67^th place)

mtv.com.au (Global: low place; English: 8,312^th place)

musicnotes.com (Global: 5,059^th place; English: 2,895^th place)

musicomh.com (Global: 4,781^st place; English: 2,742^nd place)

musikindustrie.de (Global: 1,018^th place; English: 999^th place)

nme.com (Global: 128^th place; English: 91^st place)

norwegiancharts.com (Global: 1,106^th place; English: 702^nd place)

officialcharts.com (Global: 76^th place; English: 69^th place)

offiziellecharts.de (Global: 190^th place; English: 325^th place)

people.com (Global: 31^st place; English: 25^th place)

popjustice.com (Global: low place; English: 7,564^th place)

portalpopline.com.br (Global: 7,424^th place; English: low place)

riaa.com (Global: 162^nd place; English: 128^th place)

slagerlistak.hu (Global: 1,726^th place; English: 1,006^th place)

sputnikmusic.com (Global: 1,759^th place; English: 1,136^th place)

swedishcharts.com (Global: 659^th place; English: 483^rd place)

swisscharts.com (Global: 630^th place; English: 421^st place)

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thequietus.com (Global: 2,163^rd place; English: 1,236^th place)

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top40.nl (Global: 1,183^rd place; English: 838^th place)

tophit.com (Global: 6,935^th place; English: 4,122^nd place)

ukchartsplus.co.uk (Global: 6,715^th place; English: 3,870^th place)

ultratop.be (Global: 257^th place; English: 219^th place)

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vanguardia.com.mx (Global: 4,496^th place; English: 8,464^th place)

vevo.com (Global: 8,953^rd place; English: 5,437^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

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