Dyfyniad APA

David, D. J., & Staley, H. B. (1969). Analytical chemistry of the polyurethanes. John Wiley & Sons.

Dyfyniad Arddull Chicago

David, D J., and H B. Staley. Analytical Chemistry of the Polyurethanes. N.Y: John Wiley & Sons, 1969.

Dyfyniad MLA

David, D J., and H B. Staley. Analytical Chemistry of the Polyurethanes. John Wiley & Sons, 1969.

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