APA-referens (7:e uppl.)

Skjærvø, P. O. (2011). The spirit of Zoroastrianism. Yale University Press.

Chicago-referens (17:e uppl.)

Skjærvø, Prods Oktor. The Spirit of Zoroastrianism. New Haven: Yale University Press, 2011.

MLA-referens (8:e uppl.)

Skjærvø, Prods Oktor. The Spirit of Zoroastrianism. Yale University Press, 2011.