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.

Bartholomew I, Ecumenical Patriarch of Constantinople, and John Chryssavgis. On Earth as in Heaven: Ecological Vision and Initiatives of Ecumenical Patriarch Bartholomew. New York: Fordham University Press, 2012.

Bartholomew I, Ecumenical Patriarch of Constantinople, and John Chryssavgis. On Earth as in Heaven: Ecological Vision and Initiatives of Ecumenical Patriarch Bartholomew. Fordham University Press, 2012.