Duffy, B. K., & Besel, R. D. (2016). Green Voices: Defending Nature and the Environment in American Civic Discourse. State University of New York Press.
Citace podle Chicago (17th ed.)Duffy, Bernard K., a Richard D. Besel. Green Voices: Defending Nature and the Environment in American Civic Discourse. Albany, NY: State University of New York Press, 2016.
Citace podle MLA (9th ed.)Duffy, Bernard K., a Richard D. Besel. Green Voices: Defending Nature and the Environment in American Civic Discourse. State University of New York Press, 2016.
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