APA (7th ed.) Zitazioa
Singh, S. (2015). Machine design. Khanna Book Publishing Co.
Chicago Style (17th ed.) Zitazioa
Singh, Sadhu. Machine Design. New Delhi: Khanna Book Publishing Co, 2015.
MLA (9th ed.) Zitazioa
Singh, Sadhu. Machine Design. Khanna Book Publishing Co, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.