Dyfyniad APA
Porter, L. W., & Steers, R. M. (1991). Motivation and work behavior (5th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Porter, Lyman W., and Richard M. Steers. Motivation and Work Behavior. 5th ed. New York: McGraw-Hill, 1991.
Dyfyniad MLA
Porter, Lyman W., and Richard M. Steers. Motivation and Work Behavior. 5th ed. McGraw-Hill, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.