Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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