Brulle, R. J. Risk society: Robert J. Brulle. Keywords for environmental studies.([2016]).
Lua i Stíl Chicago (17ú heag.)Brulle, Robert J. "Risk Society: Robert J. Brulle." Keywords for Environmental Studies.([2016]) .
Lua MLA (8ú heag.)Brulle, Robert J. "Risk Society: Robert J. Brulle." Keywords for Environmental Studies.([2016]), .
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