APA (7th ed.) Zitazioa
Graziano, A. M., & Raulin, M. L. (2000). Research methods: A process of inquiry (4th ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Graziano, Anthony M., eta Michael L. Raulin. Research Methods: A Process of Inquiry. 4th ed. Boston: Allyn and Bacon, 2000.
MLA (9th ed.) Zitazioa
Graziano, Anthony M., eta Michael L. Raulin. Research Methods: A Process of Inquiry. 4th ed. Allyn and Bacon, 2000.
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