Tohutoro APA (7th ed.)

Heyel, C. (1962). Management for modern supervisors. American Management Association.

Tohutoru Kātū Chicago (17th ed.)

Heyel, Carl. Management for Modern Supervisors. New York: American Management Association, 1962.

Tohutoro MLA (9th ed.)

Heyel, Carl. Management for Modern Supervisors. American Management Association, 1962.