Dyfyniad APA

Gere, J. M., & Goodno, B. J. (2009). Mechanics of materials: James M. Gere, Barry J. Goodno (7th ed.). Cengage Learning.

Dyfyniad Arddull Chicago

Gere, James M., and Barry J. Goodno. Mechanics of Materials: James M. Gere, Barry J. Goodno. 7th ed. Mason, OH: Cengage Learning, 2009.

Dyfyniad MLA

Gere, James M., and Barry J. Goodno. Mechanics of Materials: James M. Gere, Barry J. Goodno. 7th ed. Cengage Learning, 2009.

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