APA način citiranja

O'Neill, J. (2001). Environmental ethics and philosophy. Cheltenham: An Elgar Reference Collection.

Čikaški stil citiranja

O'Neill, John. Environmental Ethics and Philosophy. Cheltenham: An Elgar Reference Collection, 2001.

MLA način citiranja

O'Neill, John. Environmental Ethics and Philosophy. Cheltenham: An Elgar Reference Collection, 2001.

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