(1994). Operation and maintenance of Urban water supply and sanitation systems: A guide for managers. World Health Organisation.
シカゴスタイル引用形Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. Geneva: World Health Organisation, 1994.
MLA引用形式Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. World Health Organisation, 1994.
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