Dyfyniad APA

Joseph K Campbell. (1990). Dibble sticks, donkeys, and diesels: Machine in crop production. Manila, Philippines: IRRI.

Dyfyniad Arddull Chicago

Joseph K Campbell. Dibble Sticks, Donkeys, and Diesels: Machine in Crop Production. Manila, Philippines: IRRI, 1990.

Dyfyniad MLA

Joseph K Campbell. Dibble Sticks, Donkeys, and Diesels: Machine in Crop Production. Manila, Philippines: IRRI, 1990.

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