APA-viite (7. p.)
Turner, J. M. (2012). The promise of wilderness: American environmental politics since 1964. University of Washington.
Chicago-viite (17. p.)
Turner, James Morton. The Promise of Wilderness: American Environmental Politics Since 1964. Seattle, Wash: University of Washington, 2012.
MLA-viite (9. p.)
Turner, James Morton. The Promise of Wilderness: American Environmental Politics Since 1964. University of Washington, 2012.
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