Dyfyniad APA

Wm H Waggaman. (1969). Phosphoric acid, phosphates and phosphatic fertilizers. London: Hafner.

Dyfyniad Arddull Chicago

Wm H Waggaman. Phosphoric Acid, Phosphates and Phosphatic Fertilizers. London: Hafner, 1969.

Dyfyniad MLA

Wm H Waggaman. Phosphoric Acid, Phosphates and Phosphatic Fertilizers. London: Hafner, 1969.

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