Lua APA (7ú heag.)
Pytel, A., & Singer, F. L. (1999). Strength of materials (4th ed.). Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)
Pytel, Andrew, agus Ferdinand L. Singer. Strength of Materials. 4th ed. Harlow: Addison-Wesley, 1999.
Lua MLA (9ú heag.)
Pytel, Andrew, agus Ferdinand L. Singer. Strength of Materials. 4th ed. Addison-Wesley, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.