Turner, T., & McKibben, B. (2015). David Brower: The making of the environmental movement. University of California Press.
Cita Chicago (17th ed.)Turner, Tom, i Bill McKibben. David Brower: The Making of the Environmental Movement. Oakland, California: University of California Press, 2015.
Cita MLA (9th ed.)Turner, Tom, i Bill McKibben. David Brower: The Making of the Environmental Movement. University of California Press, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.