Kelly, F. (2013). Seed production of agricultural crops. Scienific publishers.
Chicago Style aipamenaKelly, Fenwick. Seed Production of Agricultural Crops. Jodhpur: Scienific publishers, 2013.
MLA aipamenaKelly, Fenwick. Seed Production of Agricultural Crops. Scienific publishers, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.