Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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