APA (7th ed.) Zitazioa

Yegidis, B. l., & Weinbach, R. W. (1991). Instructor's manual for research methods... Longman.

Chicago Style (17th ed.) Zitazioa

Yegidis, Bonnie l., eta Robert W. Weinbach. Instructor's Manual for Research Methods... New York: Longman, 1991.

MLA (9th ed.) Zitazioa

Yegidis, Bonnie l., eta Robert W. Weinbach. Instructor's Manual for Research Methods... Longman, 1991.