Gaya APA

Graziano, A, M., Raulin, M, L. (2000). Research Methods : A Process of Inquiry 4'th Ed. (4). Boston: Allyn & Bacon.

Gaya MLA

Graziano, Anthony, M.., Raulin, Michael, L.. "Research Methods : A Process of Inquiry 4'th Ed.". 4 Boston: Allyn & Bacon, 2000. Text.