APA-referens (7:e uppl.)

Ary, D., Jacobs, L. C., & Razavieh, A. (2002). Introduction to research in education (6th ed.). Wadsworth, Thomson Learning.

Chicago-referens (17:e uppl.)

Ary, Donald, Lucy Cheser Jacobs, och Asghar Razavieh. Introduction to Research in Education. 6th ed. Australia: Wadsworth, Thomson Learning, 2002.

MLA-referens (9:e uppl.)

Ary, Donald, et al. Introduction to Research in Education. 6th ed. Wadsworth, Thomson Learning, 2002.