Prasad,R. (2013). GATE 2020: Chemical Engineering. Khanna Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrasad,R. GATE 2020: Chemical Engineering. New Delhi: Khanna Pub, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPrasad,R. GATE 2020: Chemical Engineering. Khanna Pub, 2013.
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