Dyfyniad APA
Ramamrutham, S., & Narayanan, R. (2003). Strength of materials (14th ed.). Dhanpat Rai.
Dyfyniad Arddull Chicago
Ramamrutham, S., and R. Narayanan. Strength of Materials. 14th ed. New Delhi: Dhanpat Rai, 2003.
Dyfyniad MLA
Ramamrutham, S., and R. Narayanan. Strength of Materials. 14th ed. Dhanpat Rai, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.