Gaya APA

ECO - Efficiency the business link to sustainable development / DeSimone, Livio D. : Popoff, Frank. (1997). : London, World Business Council for Sustainable Development.

Gaya MLA

ECO - Efficiency the business link to sustainable development / DeSimone, Livio D. : Popoff, Frank. . : London, World Business Council for Sustainable Development, 1997. Text.