Provan, I. W. (2013). Convenient myths: The axial age, dark green religion, and the world that never was. Baylor University Press.
Chicago-referens (17:e uppl.)Provan, Iain W. Convenient Myths: The Axial Age, Dark Green Religion, and the World That Never Was. Waco, Texas: Baylor University Press, 2013.
MLA-referens (9:e uppl.)Provan, Iain W. Convenient Myths: The Axial Age, Dark Green Religion, and the World That Never Was. Baylor University Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.