Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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