APA (7th ed.) Zitazioa

Gupta, O. (1998). Modern weed management: With special reference to agriculture in the tropics ... Botanica.

Chicago Style (17th ed.) Zitazioa

Gupta, O.P. Modern Weed Management: With Special Reference to Agriculture in the Tropics ... New Delhi: Botanica, 1998.

MLA (9th ed.) Zitazioa

Gupta, O.P. Modern Weed Management: With Special Reference to Agriculture in the Tropics ... Botanica, 1998.