(help) Perone 2017,第52–53頁. sfn error: no target: CITEREFPerone2017 (help) Mansfield, Brian. Taylor Swift debuts 'Shake It Off,' reveals '1989' album. USA
2010-01-12 [2013-08-29]. (原始内容存档于2012-08-22). Wloszcyna, Susan; Brian Mansfield and Edna Gundersen. Coming attractions: Can 'Lose Friends' gain stardom