Dyfyniad APA

Gordon, T. T., & Cookfair, A. S. (2000). Patent fundamentals for scientists and engineers (2nd ed.). Lewis Pub.

Dyfyniad Arddull Chicago

Gordon, Thomas T., and Arthur S. Cookfair. Patent Fundamentals for Scientists and Engineers. 2nd ed. Boca Raton, Fla: Lewis Pub, 2000.

Dyfyniad MLA

Gordon, Thomas T., and Arthur S. Cookfair. Patent Fundamentals for Scientists and Engineers. 2nd ed. Lewis Pub, 2000.

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