APA引文

Stevens, M., & J.A. Covas. (1985). Extruder principles and operations. Chapman & Hall.

Chicago Edition Citation

Stevens, M.J, and J.A. Covas. Extruder Principles and Operations. London: Chapman & Hall, 1985.

MLA引文

Stevens, M.J, and J.A. Covas. Extruder Principles and Operations. Chapman & Hall, 1985.

警告：這些引文格式不一定是100％准確.