Crawford, R. J. (1998). Plastics engineering (3rd ed.). Butterworth-Heinemann.
Chicago Style aipamenaCrawford, R. J. Plastics Engineering. 3rd ed. New Delhi: Butterworth-Heinemann, 1998.
MLA aipamenaCrawford, R. J. Plastics Engineering. 3rd ed. Butterworth-Heinemann, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.