1Don Cupitt, Life, Life, santa Rosa: Polebridge Press, 2003,pp.19-26.
2Wilfred Cantwell Smith, The Meaning and End of Religion, Minneapolis: Fortress Press,1991[1962].
3See Karl Rahner, "Christianity and the Non-Christian Religions," In Theological Investigations. Baltimore: Helicon Press, 1966, 5: 115-134.
4"Jesus Christ in the Non-Christian Religions." In Theological Foundations: An Introduction to the Idea of Christianity. New York: Crossroad, 1978, 311-321.
5S Mark Heim, The Depth of the Riches, Grand Rapids: William B Rerdmans Publishing Company, p. 17.
6See Ewert Cousins, Christ of the 21st Century, Rockport: Element,1992; 1998:The world Religons: Facing Modernity together.
7Raimon Panikkar, The Cosmocheandric Experience: Emerging Religious Consciousness(Edited. with Introduction by Scott Eastham) , Maryknoll: Orbis Books,1993.
8Leonard Swidler, "Global Dialogue and Global Ethic", http://astro.temple.edu/-dialoque/swdaq.an.htm.