Παραπομπή APA

Teevan, R. C., & Birney, R. C. (1964). Theories of motivation in learning: An enduring problem in psychology. Van Nostrand.

Παραπομπή Chicago Style

Teevan, Richard Collier, και Robert Charles Birney. Theories of Motivation in Learning: An Enduring Problem in Psychology. Princeton, N.J.: Van Nostrand, 1964.

Παραπομπή MLA

Teevan, Richard Collier, και Robert Charles Birney. Theories of Motivation in Learning: An Enduring Problem in Psychology. Van Nostrand, 1964.