APA (7th ed.) Zitazioa
Gopalakrishnan, P., & Banerji, A. K. (1991). Maintenance and spare parts management: P. Gopalakrishnan; A.K. Banerji. Prentice-hall.
Chicago Style (17th ed.) Zitazioa
Gopalakrishnan, P., eta A. K. Banerji. Maintenance and Spare Parts Management: P. Gopalakrishnan; A.K. Banerji. New Delhi: Prentice-hall, 1991.
MLA (9th ed.) Zitazioa
Gopalakrishnan, P., eta A. K. Banerji. Maintenance and Spare Parts Management: P. Gopalakrishnan; A.K. Banerji. Prentice-hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.