February 2012]. (原始内容存档于2012-07-16). Up All Night - One Direction - empik.com. Empik.com. [8 January 2012]. (原始内容存档于2019-06-11). One Direction. Onedirectionmusic
AllMusic. AllMusic. [2012-01-06] (英语). Saxobeats - Stan Alexandra - empik.com. empik.com. [2012-01-06]. (原始内容存档于2012-09-05) (波兰语). L'ALBUM DI ALEXANDRA
(Premium) [Single]. Amazon.de. [2014-03-08]. CD single released in Poland. Empik. empik.com. 2012-11-05 [2012-12-16]. (原始内容存档于2013-12-03). Bruno Mars: 'Locked