Ugural, A. C., & Fenster, S. K. (2003). Advanced strength and applied elasticity. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Ugural, Ansel C., agus Saul K. Fenster. Advanced Strength and Applied Elasticity. Upper Saddle River, NJ: Prentice Hall, 2003.
Lua MLA (8ú heag.)Ugural, Ansel C., agus Saul K. Fenster. Advanced Strength and Applied Elasticity. Prentice Hall, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.