Lilly, W. E. (1903). The strengths of the materials of construction.
Lua i Stíl Chicago (17ú heag.)Lilly, W. E. The Strengths of the Materials of Construction. 1903.
Lua MLA (9ú heag.)Lilly, W. E. The Strengths of the Materials of Construction. 1903.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
