Dyfyniad APA

Randall, D. (2002). The polyurethanes book. New York: John Wiley & Sons, Ltd.

Dyfyniad Arddull Chicago

Randall, David. The Polyurethanes Book. New York: John Wiley & Sons, Ltd, 2002.

Dyfyniad MLA

Randall, David. The Polyurethanes Book. New York: John Wiley & Sons, Ltd, 2002.

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