APA استشهاد

Crawford, R. (1985). Plastics and rubbers: : engineering design and applications. Mechanical engineering Publications.

استشهاد بنمط شيكاغو

Crawford, R.J. Plastics and Rubbers: : Engineering Design and Applications. London: Mechanical engineering Publications, 1985.

MLA استشهاد

Crawford, R.J. Plastics and Rubbers: : Engineering Design and Applications. Mechanical engineering Publications, 1985.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.