Dyfyniad APA

(1981). Encyclopedia of Chemical Technology (3rd ed.). Wiley Eastern.

Dyfyniad Arddull Chicago

Encyclopedia of Chemical Technology. 3rd ed. New York: Wiley Eastern, 1981.

Dyfyniad MLA

Encyclopedia of Chemical Technology. 3rd ed. Wiley Eastern, 1981.

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