Epicurus. (2013). The art of happiness. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Epicurus. The Art of Happiness. New York: Penguin Books, 2013.
Lua MLA (9ú heag.)Epicurus. The Art of Happiness. Penguin Books, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.