Gaya APA

Kaplan, R, M., Saccuzzo, D, P. (2005). Psychological testing : Principles, applications, and issues (6th). Belmont: Thomson Wadsworth.

Gaya MLA

Kaplan, Robert, M.., Saccuzzo, Dennis, P.. "Psychological testing : Principles, applications, and issues". 6th Belmont: Thomson Wadsworth, 2005. Text.