APA-referens (7:e uppl.)
Petruzella, G. (2013). Durable goods: Pleasure, wealth and power in the virtuous life. Peter Lang Publishing.
Chicago-referens (17:e uppl.)
Petruzella, Gerol. Durable Goods: Pleasure, Wealth and Power in the Virtuous Life. New York: Peter Lang Publishing, 2013.
MLA-referens (9:e uppl.)
Petruzella, Gerol. Durable Goods: Pleasure, Wealth and Power in the Virtuous Life. Peter Lang Publishing, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.