Dyfyniad APA

Hawley, G. G. (1973). Condensed chemical dictionary (10th ed.). Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Hawley, Gessner G. Condensed Chemical Dictionary. 10th ed. New York: Van Nostrand Reinhold Company, 1973.

Dyfyniad MLA

Hawley, Gessner G. Condensed Chemical Dictionary. 10th ed. Van Nostrand Reinhold Company, 1973.

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