Não informado. (2011). Diogenes. International Council for Philosophy and Humanistic Studies.
Chicago-referens (17:e uppl.)Não informado. Diogenes. Providence, RI: International Council for Philosophy and Humanistic Studies, 2011.
MLA-referens (8:e uppl.)Não informado. Diogenes. International Council for Philosophy and Humanistic Studies, 2011.
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