United Nations Environmental Programme (UNEP). (1992). 1987-1992 the global 500: The roll of honour for environmental achievement. Information and Public Affairs Branch of the United Nations Environment Programme.
Chicago Style (17th ed.) CitationUnited Nations Environmental Programme (UNEP). 1987-1992 the Global 500: The Roll of Honour for Environmental Achievement. Nairobi: Information and Public Affairs Branch of the United Nations Environment Programme, 1992.
MLA (9th ed.) CitationUnited Nations Environmental Programme (UNEP). 1987-1992 the Global 500: The Roll of Honour for Environmental Achievement. Information and Public Affairs Branch of the United Nations Environment Programme, 1992.
Warning: These citations may not always be 100% accurate.