Evans, R., & Bennett, E. W. Pre-stresset concrete: Theory and design.
Lua i Stíl Chicago (17ú heag.)Evans, R.H, agus E. W. Bennett. Pre-stresset Concrete: Theory and Design.
Lua MLA (8ú heag.)Evans, R.H, agus E. W. Bennett. Pre-stresset Concrete: Theory and Design.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.