THORNDIKE, R. L., & HAGEN, E. P. (1977). Measurement and evaluation in psychology and education.-- ed.4. John Wiley and sons.
Lua i Stíl Chicago (17ú heag.)THORNDIKE, Robert L., agus Elizabeth P. HAGEN. Measurement and Evaluation in Psychology and Education.-- Ed.4. New York: John Wiley and sons, 1977.
Lua MLA (9ú heag.)THORNDIKE, Robert L., agus Elizabeth P. HAGEN. Measurement and Evaluation in Psychology and Education.-- Ed.4. John Wiley and sons, 1977.
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