Dyfyniad APA
Gere, J. M., & Goodno , B. J. (2013). Mechanics of materials (8th ed.). Cengage Learning.
Dyfyniad Arddull Chicago
Gere, James M., and Barry J. Goodno. Mechanics of Materials. 8th ed. New Delhi: Cengage Learning, 2013.
Dyfyniad MLA
Gere, James M., and Barry J. Goodno. Mechanics of Materials. 8th ed. Cengage Learning, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.