Παραπομπή APA

Anthony M Graziano. (2010). Research methods: A process of inquiry (7.). Allyn & Bacon.

Παραπομπή Chicago Style

Anthony M Graziano. Research Methods: A Process of Inquiry. 7. Boston: Allyn & Bacon, 2010.

Παραπομπή MLA

Anthony M Graziano. Research Methods: A Process of Inquiry. 7. Allyn & Bacon, 2010.