Dyfyniad APA

Ash,MIchael, & Ash, I. (1977). Formulary of Cosemetic Preparations. Chemical Publishing.

Dyfyniad Arddull Chicago

Ash,MIchael, and Irene Ash. Formulary of Cosemetic Preparations. New York: Chemical Publishing, 1977.

Dyfyniad MLA

Ash,MIchael, and Irene Ash. Formulary of Cosemetic Preparations. Chemical Publishing, 1977.

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