APA

Steers R. M., Porter L. W. & Bigley G. A. (1996). Motivation and leadership at work. New York, NY [u.a.]: McGraw-Hill.

Chicago

Steers Richard M, Porter Lyman W and Bigley Gregory A. 1996. Motivation and leadership at work. New York, NY [u.a.]: McGraw-Hill.

Harvard

Steers R. M., Porter L. W. and Bigley G. A. (1996). Motivation and leadership at work. New York, NY [u.a.]: McGraw-Hill.

MLA

Steers Richard M, Porter Lyman W and Bigley Gregory A. Motivation and leadership at work. New York, NY [u.a.]: McGraw-Hill. 1996.