Lua APA (7ú heag.)
Foundation design and construction / Tomlinson, M. J: Pitmen and sons.
Lua i Stíl Chicago (17ú heag.)
Foundation Design and Construction / Tomlinson, M. J: Pitmen and Sons.
Lua MLA (9ú heag.)
Foundation Design and Construction / Tomlinson, M. J: Pitmen and Sons.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.