Abis, L. V. (1976). Program for solar energy utilization in the Philippines. University of the Philippines Press.
芝加哥风格引文Abis, Leopoldo V. Program for Solar Energy Utilization in the Philippines. Quezon City: University of the Philippines Press, 1976.
MLA引文Abis, Leopoldo V. Program for Solar Energy Utilization in the Philippines. University of the Philippines Press, 1976.
警告：这些引文格式不一定是100％准确.