Bevington, D. (2009). The rebirth of environmentalism: Grassroots activism from the spotted owl to the polar bear. Island Press.
Chicago-referens (17:e uppl.)Bevington, Douglas. The Rebirth of Environmentalism: Grassroots Activism from the Spotted Owl to the Polar Bear. Washington, D.C.: Island Press, 2009.
MLA-referens (9:e uppl.)Bevington, Douglas. The Rebirth of Environmentalism: Grassroots Activism from the Spotted Owl to the Polar Bear. Island Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.