Dyfyniad APA
Hibbeler, R. (2014). Mechanics of materials (9th ed.). Pearson Education.
Dyfyniad Arddull Chicago
Hibbeler, R.C. Mechanics of Materials. 9th ed. New Delhi: Pearson Education, 2014.
Dyfyniad MLA
Hibbeler, R.C. Mechanics of Materials. 9th ed. Pearson Education, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.