APA

Sibson R. E., . (1994). Maximizing employee productivity: a managers guide. New York: American Management Association.

Chicago

Sibson Robert Earl, . 1994. Maximizing employee productivity: a managers guide. New York: American Management Association.

Harvard

Sibson R. E., . (1994). Maximizing employee productivity: a managers guide. New York: American Management Association.

MLA

Sibson Robert Earl, . Maximizing employee productivity: a managers guide. New York: American Management Association. 1994.