Dyfyniad APA

(1973). Vol. 50, № 4; Journal of the American Oil Chemical Society. 1973.

Dyfyniad Arddull Chicago

Vol. 50, № 4; Journal of the American Oil Chemical Society. 1973, 1973.

Dyfyniad MLA

Vol. 50, № 4; Journal of the American Oil Chemical Society. 1973, 1973.

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