Shuval, H. I. (1981). APPROPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION. World Bank.
Chicago Style (17th ed.) CitationShuval, Hillel I. APPROPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION. World Bank, 1981.
MLA引文Shuval, Hillel I. APPROPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION. World Bank, 1981.
警告:这些引文格式不一定是100%准确.