O'Neill, J. (2001). Environmental ethics and philosophy. Cheltenham: An Elgar Reference Collection.
Trích dẫn kiểu ChicagoO'Neill, John. Environmental Ethics and Philosophy. Cheltenham: An Elgar Reference Collection, 2001.
MLA CitationO'Neill, John. Environmental Ethics and Philosophy. Cheltenham: An Elgar Reference Collection, 2001.
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