APA-referens (7:e uppl.)

Dunham, P. J. (1988). Research methods in psychology. Harper & Row.

Chicago-referens (17:e uppl.)

Dunham, Philip J. Research Methods in Psychology. New York: Harper & Row, 1988.

MLA-referens (8:e uppl.)

Dunham, Philip J. Research Methods in Psychology. Harper & Row, 1988.