Verrico, Lisa (July 5, 2009). "Madonna at O2, London". The Times. Archived from the original on October 10, 2021. Retrieved May 20, 2022.(subscription required)
Verrico, Lisa (July 5, 2009). "Madonna at O2, London". The Times. Archived from the original on October 10, 2021. Retrieved May 20, 2022.(subscription required)