APA aipamena

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

Chicago Style aipamena

Heyel, Carl. Management for Modern Supervisions. U.S.A: American Management Association, 1962.

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.