Citazione Stile APA (7a Edizione)

Steers, R. M., & Porter, L. W. (1988). Motivation and work behavior (4th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Steers, Richard M., e Lyman W. Porter. Motivation and Work Behavior. 4th ed. [London]: McGraw-Hill, 1988.

Citatione MLA (9a ed.)

Steers, Richard M., e Lyman W. Porter. Motivation and Work Behavior. 4th ed. McGraw-Hill, 1988.