Gaya APA

Rosenthal, R., Rosnow, R, L. (2008). Essentials of behavioral researh : methods and data analysis (3). New York: McGraw-Hill.

Gaya MLA

Rosenthal, Robert., Rosnow, Ralph, L.. "Essentials of behavioral researh : methods and data analysis". 3 New York: McGraw-Hill, 2008. Text.