Thapa, N. a. T. (1969). Geography of Nepal: Physical, economic, cultural and regional. Orient Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThapa, N.B. and Thapa. Geography of Nepal: Physical, Economic, Cultural and Regional. Orient Longman, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThapa, N.B. and Thapa. Geography of Nepal: Physical, Economic, Cultural and Regional. Orient Longman, 1969.
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