Gaya APA

Cohen, R, J., Swerdlik, M, E. (2005). Psychological Testing and Assessment : An Introduction to Tests and Measurement 6'th Ed. (6). New York: McGraw-Hill Companies.

Gaya MLA

Cohen, Ronald, Jay., Swerdlik, Mark, E.. "Psychological Testing and Assessment : An Introduction to Tests and Measurement 6'th Ed.". 6 New York: McGraw-Hill Companies, 2005. Text.