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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bartholomew I, Ecumenical Patriarch of Constantinople, و John Chryssavgis. On Earth as in Heaven: Ecological Vision and Initiatives of Ecumenical Patriarch Bartholomew. New York: Fordham University Press, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bartholomew I, Ecumenical Patriarch of Constantinople, و John Chryssavgis. On Earth as in Heaven: Ecological Vision and Initiatives of Ecumenical Patriarch Bartholomew. Fordham University Press, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.