Eberly, C. G., & Mehrens, W. A. (1978). Instructor's manual for Measurement and evaluation in education and psychology, second edition / William A. Mehrens, Irvin J. Lehmann. Holt, Rinehart and Winston.

Eberly, Charles G., and William A. Mehrens. Instructor's Manual for Measurement and Evaluation in Education and Psychology, Second Edition / William A. Mehrens, Irvin J. Lehmann. New York: Holt, Rinehart and Winston, 1978.

Eberly, Charles G., and William A. Mehrens. Instructor's Manual for Measurement and Evaluation in Education and Psychology, Second Edition / William A. Mehrens, Irvin J. Lehmann. Holt, Rinehart and Winston, 1978.