Dyfyniad APA

Pinner, S. H., & Simpson, W. G. (1971). Plastics: Surface and Finish. Butterworths.

Dyfyniad Arddull Chicago

Pinner, S H., and W G. Simpson. Plastics: Surface and Finish. London: Butterworths, 1971.

Dyfyniad MLA

Pinner, S H., and W G. Simpson. Plastics: Surface and Finish. Butterworths, 1971.

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