Datta.B.N. (1997). Estimating & Costing In Civil Engg. UBSPD.
Cita Chicago (17th ed.)Datta.B.N. Estimating & Costing In Civil Engg. Mumbai: UBSPD, 1997.
Cita MLA (9th ed.)Datta.B.N. Estimating & Costing In Civil Engg. UBSPD, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.