Citace podle APA (7th ed.)
Gotthelf, A., & Lennox, J. G. (2011). Metaethics, egoism, and virtue: Studies in Ayn Rand's normative theory. University of Pittsburgh Press.
Citace podle Chicago (17th ed.)
Gotthelf, Allan, a James G. Lennox. Metaethics, Egoism, and Virtue: Studies in Ayn Rand's Normative Theory. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2011.
Citace podle MLA (9th ed.)
Gotthelf, Allan, a James G. Lennox. Metaethics, Egoism, and Virtue: Studies in Ayn Rand's Normative Theory. University of Pittsburgh Press, 2011.
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