Dyfyniad APA

Sax, G. (1980). Principles of educational and psychological measurement and evaluation (Second edition.). Wadsworth Pub. Co..

Dyfyniad Arddull Chicago

Sax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. Second edition. Belmont, Calif.: Wadsworth Pub. Co., 1980.

Dyfyniad MLA

Sax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. Second edition. Wadsworth Pub. Co., 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.