APA-referens (7:e uppl.)

Sax, G. (1974). Principles of educational measurement and evaluation. Wadsworth Pub. Co.

Chicago-referens (17:e uppl.)

Sax, Gilbert. Principles of Educational Measurement and Evaluation. Belmont, Calif.: Wadsworth Pub. Co, 1974.

MLA-referens (8:e uppl.)

Sax, Gilbert. Principles of Educational Measurement and Evaluation. Wadsworth Pub. Co, 1974.