Gaya APA

Graziano, A, M., Raulin, M, L. (2004). Research Methods : A Process of Inquiry 5'th Ed. (5). Boston: Allyn & Bacon.

Gaya MLA

Graziano, Anthony, M.., Raulin, Michael, L.. "Research Methods : A Process of Inquiry 5'th Ed.". 5 Boston: Allyn & Bacon, 2004. Text.