Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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