APA استشهاد

Beer, F., & Johnston Russell E. (1992). Mechanics of materials (2nd rev.ed. in SI units.). Mc Graw- Hill.

استشهاد بنمط شيكاغو

Beer, Ferdinand, و Johnston Russell E. Mechanics of Materials. 2nd rev.ed. in SI units. London: Mc Graw- Hill, 1992.

MLA استشهاد

Beer, Ferdinand, و Johnston Russell E. Mechanics of Materials. 2nd rev.ed. in SI units. Mc Graw- Hill, 1992.