Dyfyniad APA
Turner, T., & McKibben, B. (2015). David Brower: The making of the environmental movement. University of California Press.
Dyfyniad Arddull Chicago
Turner, Tom, and Bill McKibben. David Brower: The Making of the Environmental Movement. Oakland, California: University of California Press, 2015.
Dyfyniad MLA
Turner, Tom, and Bill McKibben. David Brower: The Making of the Environmental Movement. University of California Press, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.