Dyfyniad APA

Beer, F. P., Johnston , E. R., & Dewolf, J. T. (2004). Mechanics of materials. Tata Mc Graw - Hill.

Dyfyniad Arddull Chicago

Beer, Ferdinand P., E R. Johnston , and J T. Dewolf. Mechanics of Materials. New Delhi: Tata Mc Graw - Hill, 2004.

Dyfyniad MLA

Beer, Ferdinand P., et al. Mechanics of Materials. Tata Mc Graw - Hill, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.