APA-referens (7:e uppl.)

ebrary, Inc, Bertrand, L. M., & Nielson, R. A. (2012). Psychology of individual differences. Nova Science Publishers.

Chicago-referens (17:e uppl.)

ebrary, Inc, Lucy M. Bertrand, och Ryan A. Nielson. Psychology of Individual Differences. New York: Nova Science Publishers, 2012.

MLA-referens (9:e uppl.)

ebrary, Inc, et al. Psychology of Individual Differences. Nova Science Publishers, 2012.