Dyfyniad APA

(1948). Vol. 40, № 1; Industrial and Engineering Chemistry. 1948.

Dyfyniad Arddull Chicago

Vol. 40, № 1; Industrial and Engineering Chemistry. 1948, 1948.

Dyfyniad MLA

Vol. 40, № 1; Industrial and Engineering Chemistry. 1948, 1948.

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