APA (7th ed.) Zitazioa

Crawford, R. J. (1998). Plastics engineering (3a. ed.). Butterworth Heinemann.

Chicago Style (17th ed.) Zitazioa

Crawford, Roy J. Plastics Engineering. 3a. ed. Oxford: Butterworth Heinemann, 1998.

MLA (9th ed.) Zitazioa

Crawford, Roy J. Plastics Engineering. 3a. ed. Butterworth Heinemann, 1998.