Singh, R. L., & Singh, K. N. (1975). Readings in rural settlement geography. National Geographical Society of India.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, R. L., और Kashi N.;Singh Singh. Readings in Rural Settlement Geography. National Geographical Society of India, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, R. L., और Kashi N.;Singh Singh. Readings in Rural Settlement Geography. National Geographical Society of India, 1975.
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