Punima. B,C. (1984). Soil Meachanics & Foundations. Delhi.
Lua i Stíl Chicago (17ú heag.)Punima. B,C. Soil Meachanics & Foundations. Sqandarad Book: Delhi, 1984.
Lua MLA (9ú heag.)Punima. B,C. Soil Meachanics & Foundations. Delhi, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.