Lua APA (7ú heag.)
Ramamrutham S. (1967). Strength of materials (3rd rev.enlg. ed.). Dhanpat rai & Sons.
Lua i Stíl Chicago (17ú heag.)
Ramamrutham S. Strength of Materials. 3rd rev.enlg. ed. New delhi: Dhanpat rai & Sons, 1967.
Lua MLA (9ú heag.)
Ramamrutham S. Strength of Materials. 3rd rev.enlg. ed. Dhanpat rai & Sons, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.