Lehtonen, M. (1997). Criteria in environmental labelling: A comparative analysis of environmental criteria in selected labelling schemes. Geneva, Switzerland: United Nations Environment Programme.
Chicago Style CitationLehtonen, Markku. Criteria in Environmental Labelling: A Comparative Analysis of Environmental Criteria in Selected Labelling Schemes. Geneva, Switzerland: United Nations Environment Programme, 1997.
MLA CitationLehtonen, Markku. Criteria in Environmental Labelling: A Comparative Analysis of Environmental Criteria in Selected Labelling Schemes. Geneva, Switzerland: United Nations Environment Programme, 1997.
Warning: These citations may not always be 100% accurate.