Ratan Lal, A. (1980). Seed technology (2.). Oxford & IBH publishing co. pvt. ltd.
Chicago Style aipamenaRatan Lal, Agrawal. Seed Technology. 2. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1980.
MLA aipamenaRatan Lal, Agrawal. Seed Technology. 2. Oxford & IBH publishing co. pvt. ltd, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.