Wheeler, D. D., & Janis, I. L. (1980). A practical guide for making decisions. Free Press.
Cita Chicago (17th ed.)Wheeler, Daniel D., i Irving L. Janis. A Practical Guide for Making Decisions. New York: Free Press, 1980.
Cita MLA (8th ed.)Wheeler, Daniel D., i Irving L. Janis. A Practical Guide for Making Decisions. Free Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.