Du Boulay, S. (1998). Beyond the darkness: A biography of Bede Griffiths (1st ed. in the United States of America.). Doubleday.
Citace podle Chicago (17th ed.)Du Boulay, Shirley. Beyond the Darkness: A Biography of Bede Griffiths. 1st ed. in the United States of America. New York: Doubleday, 1998.
Citace podle MLA (8th ed.)Du Boulay, Shirley. Beyond the Darkness: A Biography of Bede Griffiths. 1st ed. in the United States of America. Doubleday, 1998.
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