George, D. (2007). Ecological spirituality: Cross cultural perspective. Serials pub.
シカゴスタイル引用形George, Davis. Ecological Spirituality: Cross Cultural Perspective. New Delhi: Serials pub, 2007.
MLA引用形式George, Davis. Ecological Spirituality: Cross Cultural Perspective. Serials pub, 2007.
警告: この引用は必ずしも正確ではありません.