Gopi, S. Basic Civil Engineering (1.). Pearson India.
Cita Chicago (17th ed.)Gopi, Satheesh. Basic Civil Engineering. 1. Pearson India.
Cita MLA (8th ed.)Gopi, Satheesh. Basic Civil Engineering. 1. Pearson India.
Atenció: Aquestes cites poden no estar 100% correctes.