Dyfyniad APA

(1987). Polymer: : engineering and science. Society of plastic engineers.

Dyfyniad Arddull Chicago

Polymer: : Engineering and Science. Brookfeild centre: Society of plastic engineers, 1987.

Dyfyniad MLA

Polymer: : Engineering and Science. Society of plastic engineers, 1987.

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