Sax, G. (1980). Principles of educational and psychological measurement and evaluation (Second edition.). Wadsworth Pub. Co..
Цитирование в стиле Чикаго (17-е изд.)Sax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. Second edition. Belmont, Calif.: Wadsworth Pub. Co., 1980.
Цитирование MLA (8-е изд.)Sax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. Second edition. Wadsworth Pub. Co., 1980.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.