Hopkins, C. D., & Antes, R. L. (1985). Classroom measurement & evaluation (2nd ed.). F. E. Peacock Publishers.
Lua i Stíl Chicago (17ú heag.)Hopkins, Charles D., agus Richard L. Antes. Classroom Measurement & Evaluation. 2nd ed. Itasca, Ill.: F. E. Peacock Publishers, 1985.
Lua MLA (9ú heag.)Hopkins, Charles D., agus Richard L. Antes. Classroom Measurement & Evaluation. 2nd ed. F. E. Peacock Publishers, 1985.
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