APA-referens (7:e uppl.)

Perfect, E. (2019). What I Know Now. Alfred Publishing Co., Inc..

Chicago-referens (17:e uppl.)

Perfect, Eddie. What I Know Now. Louisville, United States: Alfred Publishing Co., Inc., 2019.

MLA-referens (9:e uppl.)

Perfect, Eddie. What I Know Now. Alfred Publishing Co., Inc., 2019.