APA-referens (7:e uppl.)

University of Lethbridge. Department of Psychology, Vokey, J. R., & Allen, S. W. (2009). Psychological sketches (9th ed.). PsYence Ink.

Chicago-referens (17:e uppl.)

University of Lethbridge. Department of Psychology, John R. Vokey, och Scott W. Allen. Psychological Sketches. 9th ed. Lethbridge, Alberta: PsYence Ink, 2009.

MLA-referens (9:e uppl.)

University of Lethbridge. Department of Psychology, et al. Psychological Sketches. 9th ed. PsYence Ink, 2009.