Ferguson, D. S. (2010). Exploring the spiritualities of the world religions: The quest for personal, spiritual and social transformation. Continuum.
Chicago-viite (17. p.)Ferguson, Duncan S. Exploring the Spiritualities of the World Religions: The Quest for Personal, Spiritual and Social Transformation. London ; New York: Continuum, 2010.
MLA-viite (9. p.)Ferguson, Duncan S. Exploring the Spiritualities of the World Religions: The Quest for Personal, Spiritual and Social Transformation. Continuum, 2010.
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