APA (7th ed.) Zitazioa
Hopkins, K. D. (1990). Educational and psychological measurement and evaluation (7th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Hopkins, Kenneth D. Educational and Psychological Measurement and Evaluation. 7th ed. New Jersey: Prentice Hall, 1990.
MLA (9th ed.) Zitazioa
Hopkins, Kenneth D. Educational and Psychological Measurement and Evaluation. 7th ed. Prentice Hall, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.