Achtenberg, D. (2002). Cognition of value in Aristotle's ethics: Promise of enrichment, threat of destruction. State University of New York Press.
Lua i Stíl Chicago (17ú heag.)Achtenberg, Deborah. Cognition of Value in Aristotle's Ethics: Promise of Enrichment, Threat of Destruction. Albany: State University of New York Press, 2002.
Lua MLA (9ú heag.)Achtenberg, Deborah. Cognition of Value in Aristotle's Ethics: Promise of Enrichment, Threat of Destruction. State University of New York Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.