(1999). UPSC (IES) enginering services examination papers solved and unsolved: Mechanical Engineering. G.K. Publishers Pvt Ltd.
শিকাগো স্টাইলে সাইটেশনUPSC (IES) Enginering Services Examination Papers Solved and Unsolved: Mechanical Engineering. Jabalpur: G.K. Publishers Pvt Ltd, 1999.
এমএলএ সাইটেশনUPSC (IES) Enginering Services Examination Papers Solved and Unsolved: Mechanical Engineering. G.K. Publishers Pvt Ltd, 1999.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.