Cita APA (7th ed.)

Walberg, H. J., & Haertel, G. D. (1990). The international encyclopedia of educational evaluation. Pergamon Press.

Cita Chicago (17th ed.)

Walberg, Herbert J., i Geneva D. Haertel. The International Encyclopedia of Educational Evaluation. Oxford: Pergamon Press, 1990.

Cita MLA (9th ed.)

Walberg, Herbert J., i Geneva D. Haertel. The International Encyclopedia of Educational Evaluation. Pergamon Press, 1990.