Cita APA (7th ed.)
Graziano, A. M., & Raulin, M. L. (2014). Research methods: A process of inquiry (8th ed.). Pearson.
Cita Chicago (17th ed.)
Graziano, Anthony M., i Michael L. Raulin. Research Methods: A Process of Inquiry. 8th ed. Boston: Pearson, 2014.
Cita MLA (9th ed.)
Graziano, Anthony M., i Michael L. Raulin. Research Methods: A Process of Inquiry. 8th ed. Pearson, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.