Dyfyniad APA

Bevington, D. (2009). The rebirth of environmentalism: Grassroots activism from the spotted owl to the polar bear. Island Press.

Dyfyniad Arddull Chicago

Bevington, Douglas. The Rebirth of Environmentalism: Grassroots Activism from the Spotted Owl to the Polar Bear. Washington, D.C.: Island Press, 2009.

Dyfyniad MLA

Bevington, Douglas. The Rebirth of Environmentalism: Grassroots Activism from the Spotted Owl to the Polar Bear. Island Press, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.