Cita APA (7th ed.)
Varghese, P. (2005). Foundation engineering. Prentice-Hall.
Cita Chicago (17th ed.)
Varghese, P.C. Foundation Engineering. New Delhi: Prentice-Hall, 2005.
Cita MLA (9th ed.)
Varghese, P.C. Foundation Engineering. Prentice-Hall, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.