Cronbach, L. J. (1963). Educational psychology (2d ed.). Harcourt, Brace & World.
Cita Chicago (17th ed.)Cronbach, Lee J. Educational Psychology. 2d ed. New York: Harcourt, Brace & World, 1963.
Cita MLA (8th ed.)Cronbach, Lee J. Educational Psychology. 2d ed. Harcourt, Brace & World, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.