APA (7th ed.) Zitazioa
Terry Hill. (1993). The essence of operations management. Prentice Hall India.
Chicago Style (17th ed.) Zitazioa
Terry Hill. The Essence of Operations Management. New Delhi: Prentice Hall India, 1993.
MLA (9th ed.) Zitazioa
Terry Hill. The Essence of Operations Management. Prentice Hall India, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.