Dyfyniad APA

(1937). Vol. 15, № 9 (Vol. 29, № 18); Industrial and Engineering Chemistry. New Edition. 1937.

Dyfyniad Arddull Chicago

Vol. 15, № 9 (Vol. 29, № 18); Industrial and Engineering Chemistry. New Edition. 1937, 1937.

Dyfyniad MLA

Vol. 15, № 9 (Vol. 29, № 18); Industrial and Engineering Chemistry. New Edition. 1937, 1937.

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