Gaya APA

Kaplan, R, M., Saccuzzo, D, P. (2013). Psicological testing : Principles, application & issues. (ED-8). USA: USA : Cengage, 2013.

Gaya MLA

Kaplan, Robert, M.., Saccuzzo, Dennis, P.. "Psicological testing : Principles, application & issues.". ED-8 USA: USA : Cengage, 2013, 2013. Text.