Smith, H. P. (1954). Psychology in teaching. Prentice-Hall.
Cita Chicago (17th ed.)Smith, Henry Peter. Psychology in Teaching. New York: Prentice-Hall, 1954.
Cita MLA (9th ed.)Smith, Henry Peter. Psychology in Teaching. Prentice-Hall, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.