APA-referens (7:e uppl.)

Travers, R. M. (1978). An introduction to educational research (4th ed.). Macmillan.

Chicago-referens (17:e uppl.)

Travers, Robert M.W. An Introduction to Educational Research. 4th ed. New York: Macmillan, 1978.

MLA-referens (9:e uppl.)

Travers, Robert M.W. An Introduction to Educational Research. 4th ed. Macmillan, 1978.