Sax, G. Principles of educational and psychological measurement and evaluation. Wadsworth.
Lua i Stíl Chicago (17ú heag.)Sax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. Wadsworth.
Lua MLA (8ú heag.)Sax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. Wadsworth.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.