Ojha, T., & Michael, A. (2001). Principles of agricultural engineering, Vol 1 (3.). Jain Brothers.
Chicago Style aipamenaOjha, T.P, and A.M Michael. Principles of Agricultural Engineering, Vol 1. 3. New Delhi: Jain Brothers, 2001.
MLA aipamenaOjha, T.P, and A.M Michael. Principles of Agricultural Engineering, Vol 1. 3. Jain Brothers, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.