APA (7th ed.) Zitazioa

(1990). Onions and allied crops. CRC Pr..

Chicago Style (17th ed.) Zitazioa

Onions and Allied Crops. Boca Raton Florid: CRC Pr., 1990.

MLA (9th ed.) Zitazioa

Onions and Allied Crops. CRC Pr., 1990.