Mongia, P., & Lakanpal, T. (1988). Rural energy alternatives in the hill areas: Social forestry and biogas systmes. Today and Tomorrows Printers and Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMongia, Pradeep, और T.N Lakanpal. Rural Energy Alternatives in the Hill Areas: Social Forestry and Biogas Systmes. New Delhi: Today and Tomorrows Printers and Publishers, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMongia, Pradeep, और T.N Lakanpal. Rural Energy Alternatives in the Hill Areas: Social Forestry and Biogas Systmes. Today and Tomorrows Printers and Publishers, 1988.
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