APA (7 वां संस्करण) प्रशस्ति पत्र
Bartholomew I, E. P. o. C., & Chryssavgis, J. (2012). On earth as in heaven: Ecological vision and initiatives of Ecumenical Patriarch Bartholomew. Fordham University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bartholomew I, Ecumenical Patriarch of Constantinople, और John Chryssavgis. On Earth as in Heaven: Ecological Vision and Initiatives of Ecumenical Patriarch Bartholomew. New York: Fordham University Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bartholomew I, Ecumenical Patriarch of Constantinople, और John Chryssavgis. On Earth as in Heaven: Ecological Vision and Initiatives of Ecumenical Patriarch Bartholomew. Fordham University Press, 2012.
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