APA-referens (7:e uppl.)

Plotnik, R. (1989). Introduction to psychology (2nd ed.). Random House.

Chicago-referens (17:e uppl.)

Plotnik, Rod. Introduction to Psychology. 2nd ed. New York: Random House, 1989.

MLA-referens (9:e uppl.)

Plotnik, Rod. Introduction to Psychology. 2nd ed. Random House, 1989.