Garrison, K. C., Kingston, A. J., & McDonald, A. S. (1964). Educational psychology (2nd ed.). Appleton-century-croft.
Cita Chicago (17th ed.)Garrison, Karl C., Albert J. Kingston, i Arthur S. McDonald. Educational Psychology. 2nd ed. New York: Appleton-century-croft, 1964.
Cita MLA (9th ed.)Garrison, Karl C., et al. Educational Psychology. 2nd ed. Appleton-century-croft, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.