Azerbaijan in the Eurovision Song Contest 2021 (English Wikipedia)

"Azerbaijan - Eurovision Song Contest". EBU. Archived from the original on 11 July 2019.
"Efendi drops video for 'Mata Hari'". eurovision.tv. 15 March 2021. Archived from the original on 15 March 2021. Retrieved 15 March 2021.
Groot, Evert (17 November 2020). "2020 Semi-Final line-up to stay for 2021". eurovision.tv. Eurovision Song Contest. Archived from the original on 18 November 2020. Retrieved 17 November 2020.
"Semi-Final running orders revealed". Eurovision.tv. 30 March 2021. Retrieved 30 March 2021.
"Live Blog: First Semi-Final 2021". eurovision.tv. 19 May 2021. Retrieved 21 August 2022.
"Voting–Eurovision Song Contest". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Fairness–Eurovision Song Contest". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Juries in the First Semi-Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Juries in the Grand Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Results of the First Semi-Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 27 May 2021. Retrieved 27 May 2021.
"Results of the Grand Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 27 May 2021. Retrieved 27 May 2021.

eurovoix.com

Granger, Anthony (22 January 2021). "Azerbaijan: Song Submissions Deadline Extended to February 1". Eurovoix. Archived from the original on 22 January 2021. Retrieved 13 January 2021.
Herbert, Emily (3 February 2021). "Azerbaijan: 229 Songs Submitted For Eurovision 2021". Eurovoix. Archived from the original on 4 February 2021. Retrieved 13 March 2021.
Washak, James (13 March 2021). "Azerbaijan: "Mata Hari" Is Revealed As The Title Of Efendi's Entry For Eurovision 2021". Eurovoix. Archived from the original on 13 March 2021. Retrieved 13 March 2021.

ogae-az.org

"6 songs for Efendi chosen 🇦🇿". OGAE Azerbaijan. 3 February 2021. Retrieved 1 November 2022.

sixonstage.com

"Azerbaijan". Six on Stage. Retrieved 1 November 2022.

web.archive.org

"Azerbaijan - Eurovision Song Contest". EBU. Archived from the original on 11 July 2019.
"Efendi is coming: Azerbaijan confirms "Cleopatra" singer for Eurovision 2021". Wiwibloggs. 20 March 2020. Archived from the original on 21 March 2020.
Granger, Anthony (22 January 2021). "Azerbaijan: Song Submissions Deadline Extended to February 1". Eurovoix. Archived from the original on 22 January 2021. Retrieved 13 January 2021.
Herbert, Emily (3 February 2021). "Azerbaijan: 229 Songs Submitted For Eurovision 2021". Eurovoix. Archived from the original on 4 February 2021. Retrieved 13 March 2021.
Gallagher, Robyn (10 February 2021). "Azerbaijan: Efendi reveals titles of the six songs in the running for Eurovision 2021". Wiwibloggs. Archived from the original on 10 February 2021. Retrieved 13 March 2021.
Washak, James (13 March 2021). "Azerbaijan: "Mata Hari" Is Revealed As The Title Of Efendi's Entry For Eurovision 2021". Eurovoix. Archived from the original on 13 March 2021. Retrieved 13 March 2021.
"Efendi drops video for 'Mata Hari'". eurovision.tv. 15 March 2021. Archived from the original on 15 March 2021. Retrieved 15 March 2021.
Groot, Evert (17 November 2020). "2020 Semi-Final line-up to stay for 2021". eurovision.tv. Eurovision Song Contest. Archived from the original on 18 November 2020. Retrieved 17 November 2020.
"Voting–Eurovision Song Contest". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Fairness–Eurovision Song Contest". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Juries in the First Semi-Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Juries in the Grand Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 26 May 2021. Retrieved 26 May 2021.
"Results of the First Semi-Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 27 May 2021. Retrieved 27 May 2021.
"Results of the Grand Final of Rotterdam 2021". European Broadcasting Union. Archived from the original on 27 May 2021. Retrieved 27 May 2021.

wiwibloggs.com

"Efendi is coming: Azerbaijan confirms "Cleopatra" singer for Eurovision 2021". Wiwibloggs. 20 March 2020. Archived from the original on 21 March 2020.
Gallagher, Robyn (10 February 2021). "Azerbaijan: Efendi reveals titles of the six songs in the running for Eurovision 2021". Wiwibloggs. Archived from the original on 10 February 2021. Retrieved 13 March 2021.
Muldoon, Padraig (24 May 2021). "Eurovision 2021: Rehearsal schedule published…First run-throughs begin on Saturday 8 May". Wiwibloggs. Retrieved 9 June 2022.
Ismayil, Rufat (5 May 2021). "Let's start a fire! Fashion designer Rufat Ismayil has designed Efendi's Eurovision 2021 stage outfit". Wiwibloggs. Retrieved 1 November 2022.