Lua APA (7ú heag.)
Varghese, P. C. (2005). Foundation engineering: Geotechnical aspects. Prentice Hall of India.
Lua i Stíl Chicago (17ú heag.)
Varghese, P. C. Foundation Engineering: Geotechnical Aspects. New Delhi: Prentice Hall of India, 2005.
Lua MLA (9ú heag.)
Varghese, P. C. Foundation Engineering: Geotechnical Aspects. Prentice Hall of India, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.