Dyfyniad APA

Fisher, E. G., & Whitfield, E. C. (1976). Extrusion of plastics (3d ed.). Published for the Plastics and Rubber Institute [by] Newnes-Butterworths.

Dyfyniad Arddull Chicago

Fisher, E. G., and E. C. Whitfield. Extrusion of Plastics. 3d ed. London: Published for the Plastics and Rubber Institute [by] Newnes-Butterworths, 1976.

Dyfyniad MLA

Fisher, E. G., and E. C. Whitfield. Extrusion of Plastics. 3d ed. Published for the Plastics and Rubber Institute [by] Newnes-Butterworths, 1976.

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