APA

Enell J. W., Haas G. H., . (1960). Setting standards for executive performance. New York: American Management Association.

Chicago

Enell John W, Haas George H, . 1960. Setting standards for executive performance. New York: American Management Association.

Harvard

Enell J. W., Haas G. H., . (1960). Setting standards for executive performance. New York: American Management Association.

MLA

Enell John W, Haas George H, . Setting standards for executive performance. New York: American Management Association. 1960.