(1999). UPSC (IES) Engineering Services Examination Papers, Solved and Unsolved: Civil Engineering. G.K.
Citação norma ChicagoUPSC (IES) Engineering Services Examination Papers, Solved and Unsolved: Civil Engineering. Jabalpur: G.K, 1999.
Citação norma MLAUPSC (IES) Engineering Services Examination Papers, Solved and Unsolved: Civil Engineering. G.K, 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.