Cita APA (7th ed.)

Steers, R. M., Porter, L. W., & Bigley, G. A. (1996). Motivation and leadership at work (6th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Steers, Richard M., Lyman W. Porter, i Gregory A. Bigley. Motivation and Leadership at Work. 6th ed. New York: McGraw-Hill, 1996.

Cita MLA (9th ed.)

Steers, Richard M., et al. Motivation and Leadership at Work. 6th ed. McGraw-Hill, 1996.