Dyfyniad APA

FAO. (1981). FAO argicultural services bulletin; N.46: Energy cropping versus food production. Rome: FAO.

Dyfyniad Arddull Chicago

FAO. FAO Argicultural Services Bulletin; N.46: Energy Cropping Versus Food Production. Rome: FAO, 1981.

Dyfyniad MLA

FAO. FAO Argicultural Services Bulletin; N.46: Energy Cropping Versus Food Production. Rome: FAO, 1981.

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