Dyfyniad APA

Wheeler, D. D., & Janis, I. L. (1980). A practical guide for making decisions. Free Press.

Dyfyniad Arddull Chicago

Wheeler, Daniel D., and Irving L. Janis. A Practical Guide for Making Decisions. New York: Free Press, 1980.

Dyfyniad MLA

Wheeler, Daniel D., and Irving L. Janis. A Practical Guide for Making Decisions. Free Press, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.