Dyfyniad APA

(1983). Proceedings of the Third International Forum on Soil Taxonomy and Agrotechnology Transfer. Cameroon.

Dyfyniad Arddull Chicago

Proceedings of the Third International Forum On Soil Taxonomy and Agrotechnology Transfer. Cameroon, 1983.

Dyfyniad MLA

Proceedings of the Third International Forum On Soil Taxonomy and Agrotechnology Transfer. Cameroon, 1983.

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