Não informado. (2001). Ethical Theory and Moral Practice. Kluwer Academic Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Ethical Theory and Moral Practice. Dordrecht, Holanda: Kluwer Academic Publishers, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Ethical Theory and Moral Practice. Kluwer Academic Publishers, 2001.
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