APA (7th ed.) Zitazioa
Stephens, W. O. (2007). Stoic ethics: Epictetus and happiness as freedom. Continuum.
Chicago Style (17th ed.) Zitazioa
Stephens, William O. Stoic Ethics: Epictetus and Happiness as Freedom. London ; New York: Continuum, 2007.
MLA (9th ed.) Zitazioa
Stephens, William O. Stoic Ethics: Epictetus and Happiness as Freedom. Continuum, 2007.
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