International Council of Environmental Law. (2004). Environmental Policy and Law. Elsevier Sequoia.
Chicago-referens (17:e uppl.)International Council of Environmental Law. Environmental Policy and Law. Lausanne, Suíça: Elsevier Sequoia, 2004.
MLA-referens (8:e uppl.)International Council of Environmental Law. Environmental Policy and Law. Elsevier Sequoia, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.