Singhal, V. (1995). Handbook of Indian agriculture. Vikas Pub. House.
Chicago Style aipamenaSinghal, Vikas. Handbook of Indian Agriculture. New Delhi: Vikas Pub. House, 1995.
MLA aipamenaSinghal, Vikas. Handbook of Indian Agriculture. Vikas Pub. House, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.