Dyfyniad APA

(2002). Tobacco: Nucleus and breeder seed production manual. Central tobacco research institute.

Dyfyniad Arddull Chicago

Tobacco: Nucleus and Breeder Seed Production Manual. Rajahmundry: Central tobacco research institute, 2002.

Dyfyniad MLA

Tobacco: Nucleus and Breeder Seed Production Manual. Central tobacco research institute, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.