United Nations Environment Programme. (2007). Life cycle management: A business guide to sustainability. UNEP.
Style de citation Chicago (17e éd.)United Nations Environment Programme. Life Cycle Management: A Business Guide to Sustainability. Nairobi, Kenya: UNEP, 2007.
Style de citation MLA (9e éd.)United Nations Environment Programme. Life Cycle Management: A Business Guide to Sustainability. UNEP, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.