Ahmann, J. S., & Glock, M. D. (1971). Evaluating pupil growth: Principles of tests and measurements (4th ed.). Allyn and Bacon.

Ahmann, J. Stanley, and Marvin David Glock. Evaluating Pupil Growth: Principles of Tests and Measurements. 4th ed. Boston: Allyn and Bacon, 1971.

Ahmann, J. Stanley, and Marvin David Glock. Evaluating Pupil Growth: Principles of Tests and Measurements. 4th ed. Allyn and Bacon, 1971.