THORNDIKE, R. L., & HAGEN, E. P. (1977). Measurement and evaluation in psychology and education.-- ed.4. John Wiley and sons.

THORNDIKE, Robert L., and Elizabeth P. HAGEN. Measurement and Evaluation in Psychology and Education.-- Ed.4. New York: John Wiley and sons, 1977.

THORNDIKE, Robert L., and Elizabeth P. HAGEN. Measurement and Evaluation in Psychology and Education.-- Ed.4. John Wiley and sons, 1977.