Gaya APA

Kaplan, R, M., Saccuzzo, D, P. (1982). Psychological Testing: principles, applications, and issues . California: Brooks/Cole Publishing Company.

Gaya MLA

Kaplan, Robert, M.., Saccuzzo, Dennis, P.. "Psychological Testing: principles, applications, and issues". California: Brooks/Cole Publishing Company, 1982. Text.