APA-referens (7:e uppl.)

Ary, D., Jacobs, L. C., & Razavieh, A. (1979). Introduction to research in education (Second edition.). Holt, Rinehart and Winston.

Chicago-referens (17:e uppl.)

Ary, Donald, Lucy Cheser Jacobs, och Asghar Razavieh. Introduction to Research in Education. Second edition. New York: Holt, Rinehart and Winston, 1979.

MLA-referens (9:e uppl.)

Ary, Donald, et al. Introduction to Research in Education. Second edition. Holt, Rinehart and Winston, 1979.