Bigley, G. A., Porter, L. W., & Steers, R. M. (2003). Motivation and work behavior (7th ed.). McGraw-Hill/Irwin.
Cita Chicago (17th ed.)Bigley, Gregory A., Lyman W. Porter, i Richard M. Steers. Motivation and Work Behavior. 7th ed. Boston: McGraw-Hill/Irwin, 2003.
Cita MLA (9th ed.)Bigley, Gregory A., et al. Motivation and Work Behavior. 7th ed. McGraw-Hill/Irwin, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.