Arons, Melinda; Apton, Deborah; Gomstyn, Alice (2010-11-22). "Beyonce Like You've Never Seen Her Before". ABC News. American Broadcasting Company. Archived from the original on 2012-06-18. Retrieved 2012-06-22.
"アイ・アム...ワールド・ツアー" [I Am...World Tour] (in Japanese). Japan: Oricon. December 22, 2010. Archived from the original on November 13, 2022. Retrieved November 12, 2022.
Arons, Melinda; Apton, Deborah; Gomstyn, Alice (2010-11-22). "Beyonce Like You've Never Seen Her Before". ABC News. American Broadcasting Company. Archived from the original on 2012-06-18. Retrieved 2012-06-22.
"アイ・アム...ワールド・ツアー" [I Am...World Tour] (in Japanese). Japan: Oricon. December 22, 2010. Archived from the original on November 13, 2022. Retrieved November 12, 2022.