Dyfyniad APA

(1981). Food, fuel, and fertilizer from organic wastes. Washington, D.C: National Academy Press.

Dyfyniad Arddull Chicago

Food, Fuel, and Fertilizer From Organic Wastes. Washington, D.C: National Academy Press, 1981.

Dyfyniad MLA

Food, Fuel, and Fertilizer From Organic Wastes. Washington, D.C: National Academy Press, 1981.

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