Cafaro, P., & Sandler, R. (2010). Virtue ethics and the environment. Springer.
Čikaški stil citiranja (17. izdanje)Cafaro, Philip, i Ronald Sandler. Virtue Ethics and the Environment. Dordrecht: Springer, 2010.
MLA način citiranja (9. izdanje)Cafaro, Philip, i Ronald Sandler. Virtue Ethics and the Environment. Springer, 2010.
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