Provan, I. W. (2013). Convenient myths: The axial age, dark green religion, and the world that never was. Baylor University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProvan, Iain W. Convenient Myths: The Axial Age, Dark Green Religion, and the World That Never Was. Waco, Texas: Baylor University Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProvan, Iain W. Convenient Myths: The Axial Age, Dark Green Religion, and the World That Never Was. Baylor University Press, 2013.
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