Gaya APA

Mehrens, W, A. (1973). Measurement and Evaluation in Education and Psychology (cet. 1). USA: Holt, Rinehart and Winston, Inc..

Gaya MLA

Mehrens, William, A.. "Measurement and Evaluation in Education and Psychology". cet. 1 USA: Holt, Rinehart and Winston, Inc., 1973. Text.