Organisation for Economic Co-operation and Development & ProQuest (Firm). (2012). Illegal trade in environmentally sensitive goods. OECD.
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development och ProQuest (Firm). Illegal Trade in Environmentally Sensitive Goods. Paris: OECD, 2012.
MLA-referens (9:e uppl.)Organisation for Economic Co-operation and Development och ProQuest (Firm). Illegal Trade in Environmentally Sensitive Goods. OECD, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.