Gupta, K. . .. (1992). Tractor mechanics (1.). Cheran Book House.
Chicago Style aipamenaGupta, K.N. Tractor Mechanics. 1. Coimbatore: Cheran Book House, 1992.
MLA aipamenaGupta, K.N. Tractor Mechanics. 1. Cheran Book House, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.