Gordon, N. J. (1981). Psychology and education: The state of the union. McCutchan.
Cita Chicago (17th ed.)Gordon, Neal J. Psychology and Education: The State of the Union. Berkeley: McCutchan, 1981.
Cita MLA (9th ed.)Gordon, Neal J. Psychology and Education: The State of the Union. McCutchan, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.