Chance, P., & Harris, T. G. (1990). The Best of Psychology today. McGraw-Hill.
Cita Chicago (17th ed.)Chance, Paul, i T. George Harris. The Best of Psychology Today. New York: McGraw-Hill, 1990.
Cita MLA (8th ed.)Chance, Paul, i T. George Harris. The Best of Psychology Today. McGraw-Hill, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.