Barry, J. (1999). Rethinking green politics: Nature, virtue and progress. Sage.
Lua i Stíl Chicago (17ú heag.)Barry, John. Rethinking Green Politics: Nature, Virtue and Progress. London: Sage, 1999.
Lua MLA (9ú heag.)Barry, John. Rethinking Green Politics: Nature, Virtue and Progress. Sage, 1999.
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