Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

Onions and Allied Crops. CRC Pr., 1990.

Atenció: Aquestes cites poden no estar 100% correctes.