(1999). UPSC (IES) enginering services examination papers solved and unsolved: Mechanical Engineering. G.K. Publishers Pvt Ltd.
Chicago Edition CitationUPSC (IES) Enginering Services Examination Papers Solved and Unsolved: Mechanical Engineering. Jabalpur: G.K. Publishers Pvt Ltd, 1999.
MLA引文UPSC (IES) Enginering Services Examination Papers Solved and Unsolved: Mechanical Engineering. G.K. Publishers Pvt Ltd, 1999.
警告:这些引文格式不一定是100%准确.