Cita APA (7th ed.)
Graziano, A. M., & Raulin, M. L. (2000). Research methods: A process of inquiry (4th ed.). Allyn and Bacon.
Cita Chicago (17th ed.)
Graziano, Anthony M., i Michael L. Raulin. Research Methods: A Process of Inquiry. 4th ed. Boston: Allyn and Bacon, 2000.
Cita MLA (9th ed.)
Graziano, Anthony M., i Michael L. Raulin. Research Methods: A Process of Inquiry. 4th ed. Allyn and Bacon, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.