Stephens, J. (1956). Educational psychology: The study of educational growth (rev.ed.). Henry holt.
Cita Chicago (17th ed.)Stephens, J.M. Educational Psychology: The Study of Educational Growth. rev.ed. New york: Henry holt, 1956.
Cita MLA (9th ed.)Stephens, J.M. Educational Psychology: The Study of Educational Growth. rev.ed. Henry holt, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.