(1991). Deep Foundation Improvements Design, Construction And Testing Melvin I Esrig And Robert C. Bachus. American Society.
Lua i Stíl Chicago (17ú heag.)Deep Foundation Improvements Design, Construction And Testing Melvin I Esrig And Robert C. Bachus. American Society, 1991.
Lua MLA (8ú heag.)Deep Foundation Improvements Design, Construction And Testing Melvin I Esrig And Robert C. Bachus. American Society, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.