Cita APA (7th ed.)
Hopkins, K. D. (1990). Educational and psychological measurement and evaluation (7th ed.). Prentice Hall.
Cita Chicago (17th ed.)
Hopkins, Kenneth D. Educational and Psychological Measurement and Evaluation. 7th ed. New Jersey: Prentice Hall, 1990.
Cita MLA (9th ed.)
Hopkins, Kenneth D. Educational and Psychological Measurement and Evaluation. 7th ed. Prentice Hall, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.