Agrawal, R. (1996). Identifying characteristics of crop varieties (2.). Oxford & IBH publishing co. pvt. ltd.
Chicago Style aipamenaAgrawal, Rathanlal. Identifying Characteristics of Crop Varieties. 2. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1996.
MLA aipamenaAgrawal, Rathanlal. Identifying Characteristics of Crop Varieties. 2. Oxford & IBH publishing co. pvt. ltd, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.