Singh, V. &. O. (2015). Objective Type Questions in Mechanical Engineering (01st.). S.Chand.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, V.P. & Others. Objective Type Questions in Mechanical Engineering. 01st. New Delhi: S.Chand, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, V.P. & Others. Objective Type Questions in Mechanical Engineering. 01st. S.Chand, 2015.
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