United Nations Environment Programme. A snapshot of the world<U+0092>s water quality , towards a global assessment.
Chicago Style (17th ed.) CitationUnited Nations Environment Programme. A Snapshot of the World<U+0092>s Water Quality , Towards a Global Assessment.
MLA引文United Nations Environment Programme. A Snapshot of the World<U+0092>s Water Quality , Towards a Global Assessment.
警告：這些引文格式不一定是100％准確.