APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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