Lua APA (7ú heag.)
Rao, D. (2002). Introduction to strength of materials. Universities Press.
Lua i Stíl Chicago (17ú heag.)
Rao, D.S.Prakash. Introduction to Strength of Materials. Hyderabad: Universities Press, 2002.
Lua MLA (9ú heag.)
Rao, D.S.Prakash. Introduction to Strength of Materials. Universities Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.