TOMLINSON, M. Foundation Design And Construction. Pitman.
Lua i Stíl Chicago (17ú heag.)TOMLINSON, M.J. Foundation Design And Construction. Pitman.
Lua MLA (8ú heag.)TOMLINSON, M.J. Foundation Design And Construction. Pitman.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.