Benjamin, Jeff (February 1, 2012). "Girls' Generation Makes Big U.S. Debut on 'Letterman'". Billboard. Diakses tanggal September 9, 2017. 'Nobody,' which has sold 78,000 downloads and 42,000 physical singles, according to Nielsen SoundScan
‘컴백’ 보이프렌드, ‘내가 갈게’ 음원차트서 인기↑. dongA.com (dalam bahasa Korea). The Dong-a Ilbo. December 8, 2011. Diakses tanggal September 25, 2014.
gaonchart.co.kr
Peak chart positions for Wonder Girls albums on the Gaon Music Chart:
"Wonder World" (dalam bahasa Korea). November 6–12, 2011. Diarsipkan dari versi asli tanggal February 11, 2015.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2016년 09월 Album Chart [September 2016 Album Chart]. Gaon Music Chart (dalam bahasa Korea). hlm. 3. Diarsipkan dari versi asli tanggal October 6, 2016. Diakses tanggal September 10, 2016.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Cumulative sales for 2 Different Tears:
2010년 가온차트 부문별 Top 100위 [Top 100 Albums 2010]. Gaon Music Chart (dalam bahasa Korea). Diarsipkan dari versi asli tanggal February 13, 2011.
2012년 Album Chart. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal April 24, 2015.
"Gaon Digital Chart". Gaon Music Chart (dalam bahasa Korea). Diakses tanggal July 30, 2016.
2010년 Download Chart [2010 Download Chart]. Gaon Music Chart. Diarsipkan dari versi asli tanggal October 2, 2013. Diakses tanggal January 11, 2014.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Cumulative sales for "Be My Baby":
2011년 Download Chart [2011 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal February 24, 2021.
2012년 Download Chart. Gaon Music Chart. Diarsipkan dari versi asli tanggal October 2, 2013. Diakses tanggal January 11, 2014.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2012년 Download Chart. Gaon Music Chart. hlm. 4. Diarsipkan dari versi asli tanggal August 16, 2016. Diakses tanggal August 27, 2016.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Cumulative sales for "I Feel You":
2015년 Download Chart. Gaon Music Chart (dalam bahasa Korea). Diarsipkan dari versi asli tanggal January 11, 2016. Diakses tanggal January 11, 2016.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2016년 총결산 Download Chart [2016 Year-End Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal January 12, 2017.
2017년 02월 Download Chart [February 2017 Download Chart]. Gaon Music Chart (dalam bahasa Korea). hlm. 1. Diakses tanggal March 10, 2017.
Total sales for "Beautiful Boy":
2016년 07월 Download Chart [July 2016 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal August 27, 2016.
2016년 08월 Download Chart [July 2016 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal August 27, 2016.
Cumulative sales for "G.N.O.":
2011년 11월 Download Chart [November 2011 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal July 30, 2016.
2015년 08월 Download Chart [August 2016 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal August 27, 2016.
Total sales for "Sweet & Easy":
2016년 07월 Download Chart [July 2016 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal August 27, 2016.
2016년 32주차 Download Chart [32nd week of 2016 Download Chart]. Gaon Music Chart (dalam bahasa Korea). Diakses tanggal August 27, 2016.
hankyung.com
원더걸스, 후속곡 '디스 타임' M/V 공개와 동시에 관심 폭발!. hankyung.com (dalam bahasa Korea). The Korea Economic Daily. August 23, 2008. Diakses tanggal February 15, 2015.
원더걸스, 핑클의 'NOW' 리메이크한 뮤직비디오 공개!. hankyung.com (dalam bahasa Korea). The Korea Economic Daily. May 2, 2009. Diakses tanggal September 24, 2014.
2008.01월 – 가요 음반 판매량 [2008.01 – Sales volume] (dalam bahasa Korea). Music Industry Association of Korea. Diarsipkan dari versi asli tanggal June 7, 2008. Diakses tanggal May 16, 2021.
2007.02월 – 가요 음반 판매량 [2007.02 – Sales volume] (dalam bahasa Korea). Music Industry Association of Korea. Diarsipkan dari versi asli tanggal February 26, 2009. Diakses tanggal May 16, 2021.
2008.06월 – 가요 음반 판매량 [2008.06 – Sales volume] (dalam bahasa Korea). Music Industry Association of Korea. Diarsipkan dari versi asli tanggal July 18, 2008. Diakses tanggal May 16, 2021.
mnet.com
미안한 마음 (tears) (dalam bahasa Korea). Mnet. Diarsipkan dari versi asli tanggal 2017-10-29. Diakses tanggal February 15, 2015.
Kim, Min-young (February 25, 2008). 원더걸스 뉴욕서 깜짝 파티로 스태프 감동 선사 (dalam bahasa Korea). Newsen. Diakses tanggal February 16, 2015.
nextmedia.com
tw.nextmedia.com
SJ 連莊寶島最唱銷東洋歌王 [Super Junior Still The Bestselling K-Pop Artist in Taiwan!]. Apple Daily (dalam bahasa Tionghoa). Next Media. Diarsipkan dari versi asli tanggal December 19, 2010. Diakses tanggal February 7, 2023.
Cumulative sales for The Wonder Years: 47,927 (2007) + 34,688 (2008) + 776 (2012)
2007년 가요음반판매량 [2007 Album Sales Figures] (dalam bahasa Korea). Recording Industry Association of Korea. Diarsipkan dari versi asli tanggal October 14, 2017.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Peak chart positions for Wonder Girls albums on the Gaon Music Chart:
"Wonder World" (dalam bahasa Korea). November 6–12, 2011. Diarsipkan dari versi asli tanggal February 11, 2015.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2008.01월 – 가요 음반 판매량 [2008.01 – Sales volume] (dalam bahasa Korea). Music Industry Association of Korea. Diarsipkan dari versi asli tanggal June 7, 2008. Diakses tanggal May 16, 2021.
Cumulative sales for The Wonder Years: 47,927 (2007) + 34,688 (2008) + 776 (2012)
2007년 가요음반판매량 [2007 Album Sales Figures] (dalam bahasa Korea). Recording Industry Association of Korea. Diarsipkan dari versi asli tanggal October 14, 2017.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2015년 Album Chart. Gaon Music Chart (dalam bahasa Korea). hlm. 2. Diarsipkan dari versi asli tanggal August 16, 2016. Diakses tanggal August 6, 2015.
SJ 連莊寶島最唱銷東洋歌王 [Super Junior Still The Bestselling K-Pop Artist in Taiwan!]. Apple Daily (dalam bahasa Tionghoa). Next Media. Diarsipkan dari versi asli tanggal December 19, 2010. Diakses tanggal February 7, 2023.
2007.02월 – 가요 음반 판매량 [2007.02 – Sales volume] (dalam bahasa Korea). Music Industry Association of Korea. Diarsipkan dari versi asli tanggal February 26, 2009. Diakses tanggal May 16, 2021.
2008.06월 – 가요 음반 판매량 [2008.06 – Sales volume] (dalam bahasa Korea). Music Industry Association of Korea. Diarsipkan dari versi asli tanggal July 18, 2008. Diakses tanggal May 16, 2021.
2016년 09월 Album Chart [September 2016 Album Chart]. Gaon Music Chart (dalam bahasa Korea). hlm. 3. Diarsipkan dari versi asli tanggal October 6, 2016. Diakses tanggal September 10, 2016.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Cumulative sales for The Wonder Years: Trilogy: 62,370 (2008) + 15,962 (2009) + 482 (2011) + 1,091 (2012)
2010년 가온차트 부문별 Top 100위 [Top 100 Albums 2010]. Gaon Music Chart (dalam bahasa Korea). Diarsipkan dari versi asli tanggal February 13, 2011.
2010년 Download Chart [2010 Download Chart]. Gaon Music Chart. Diarsipkan dari versi asli tanggal October 2, 2013. Diakses tanggal January 11, 2014.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2012년 Download Chart. Gaon Music Chart. Diarsipkan dari versi asli tanggal October 2, 2013. Diakses tanggal January 11, 2014.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
2012년 Download Chart. Gaon Music Chart. hlm. 4. Diarsipkan dari versi asli tanggal August 16, 2016. Diakses tanggal August 27, 2016.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Cumulative sales for "I Feel You":
2015년 Download Chart. Gaon Music Chart (dalam bahasa Korea). Diarsipkan dari versi asli tanggal January 11, 2016. Diakses tanggal January 11, 2016.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
미안한 마음 (tears) (dalam bahasa Korea). Mnet. Diarsipkan dari versi asli tanggal 2017-10-29. Diakses tanggal February 15, 2015.