Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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