APA استشهاد

Timoshenko, S. P., & Young, D. H. (2003). Elements of strenth of materials. E W P.

استشهاد بنمط شيكاغو

Timoshenko, S P., و D H. Young. Elements of Strenth of Materials. New Delhi: E W P, 2003.

MLA استشهاد

Timoshenko, S P., و D H. Young. Elements of Strenth of Materials. E W P, 2003.