APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.