APA-referens (7:e uppl.)

Cozby, P. C. (2004). Methods in behavioral research (8th ed.). McGraw- Hill.

Chicago-referens (17:e uppl.)

Cozby, Paul C. Methods in Behavioral Research. 8th ed. New York: McGraw- Hill, 2004.

MLA-referens (9:e uppl.)

Cozby, Paul C. Methods in Behavioral Research. 8th ed. McGraw- Hill, 2004.