Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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