Abis, L. V. (1976). Program for solar energy utilization in the Philippines. University of the Philippines Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAbis, Leopoldo V. Program for Solar Energy Utilization in the Philippines. Quezon City: University of the Philippines Press, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAbis, Leopoldo V. Program for Solar Energy Utilization in the Philippines. University of the Philippines Press, 1976.
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