(1994). Watersheds: Classic cases in environmental ethics / Lisa H. Newton, Catherine K. Dillingham.
Cita Chicago Style (17a ed.)Watersheds: Classic Cases in Environmental Ethics / Lisa H. Newton, Catherine K. Dillingham. 1994.
Cita MLA (9a ed.)Watersheds: Classic Cases in Environmental Ethics / Lisa H. Newton, Catherine K. Dillingham. 1994.
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