Sax, G. (1974). Principles of educational measurement and evaluation. Wadsworth Pub. Co.
Chicago (17e ed.) BronvermeldingSax, Gilbert. Principles of Educational Measurement and Evaluation. Belmont, Calif.: Wadsworth Pub. Co, 1974.
MLA (8e ed.) BronvermeldingSax, Gilbert. Principles of Educational Measurement and Evaluation. Wadsworth Pub. Co, 1974.
Let op: Deze citaties zijn niet altijd 100% accuraat.