Nag, P., & Nag, P. (2001). Environment, population and development; felicitation volume in honour of Prof. S.L. Kayastha. Concept Pub. Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNag, Prithvish, और Pritwish Nag. Environment, Population and Development; Felicitation Volume in Honour of Prof. S.L. Kayastha. Concept Pub. Co, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNag, Prithvish, और Pritwish Nag. Environment, Population and Development; Felicitation Volume in Honour of Prof. S.L. Kayastha. Concept Pub. Co, 2001.
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