Cita APA (7th ed.)
Ramamrutham S. (1967). Strength of materials (3rd rev.enlg. ed.). Dhanpat rai & Sons.
Cita Chicago (17th ed.)
Ramamrutham S. Strength of Materials. 3rd rev.enlg. ed. New delhi: Dhanpat rai & Sons, 1967.
Cita MLA (9th ed.)
Ramamrutham S. Strength of Materials. 3rd rev.enlg. ed. Dhanpat rai & Sons, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.