Παραπομπή APA

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

Παραπομπή Chicago Style

Crawford, R.J. Plastics Engineering. 3rd ed. Oxford: Butterworth Heinemann, 1998.

Παραπομπή MLA

Crawford, R.J. Plastics Engineering. 3rd ed. Butterworth Heinemann, 1998.