International Petroleum Industry Environmental Conservation Association & United Nations Environment Programme. (1995). Technology cooperation and capacity building: The oil industry exprience : contribution to Agenda 21. International Petroleum Industry Environmental Conservation Association, United Nations Environment Programme, Industry and Environment Office,.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Petroleum Industry Environmental Conservation Association και United Nations Environment Programme. Technology Cooperation and Capacity Building: The Oil Industry Exprience : Contribution to Agenda 21. London : Paris: International Petroleum Industry Environmental Conservation Association, United Nations Environment Programme, Industry and Environment Office,, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)International Petroleum Industry Environmental Conservation Association και United Nations Environment Programme. Technology Cooperation and Capacity Building: The Oil Industry Exprience : Contribution to Agenda 21. International Petroleum Industry Environmental Conservation Association, United Nations Environment Programme, Industry and Environment Office,, 1995.