APA استشهاد

Pugh, H. L. D. (1971). Mechanical behaviour of materials. Applied science.

استشهاد بنمط شيكاغو

Pugh, H LL D. Mechanical Behaviour of Materials. London: Applied science, 1971.

MLA استشهاد

Pugh, H LL D. Mechanical Behaviour of Materials. Applied science, 1971.