Schultz, D. P. (1973). Psychology and industry today. Macmillan.
Cita Chicago (17th ed.)Schultz, Duane P. Psychology and Industry Today. New York: Macmillan, 1973.
Cita MLA (9th ed.)Schultz, Duane P. Psychology and Industry Today. Macmillan, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.