Dyfyniad APA

(1983). Sulfur In South-east Asian & South Pacific Agriculture. [ADAB-The Sulphure Institut].

Dyfyniad Arddull Chicago

Sulfur In South-east Asian & South Pacific Agriculture. [ADAB-The Sulphure Institut], 1983.

Dyfyniad MLA

Sulfur In South-east Asian & South Pacific Agriculture. [ADAB-The Sulphure Institut], 1983.

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