APA (7e ed.) Bronvermelding

Graziano, A. M., & Raulin, M. L. (2010). Research methods: A process of inquiry (7th ed.). Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Graziano, Anthony M., en Michael L. Raulin. Research Methods: A Process of Inquiry. 7th ed. Boston: Allyn and Bacon, 2010.

MLA (9e ed.) Bronvermelding

Graziano, Anthony M., en Michael L. Raulin. Research Methods: A Process of Inquiry. 7th ed. Allyn and Bacon, 2010.