APA-viite (7. p.)
Marcus, P. (2012). In search of the spiritual: Gabriel Marcel, psychoanalysis and the sacred. Karnac.
Chicago-viite (17. p.)
Marcus, Paul. In Search of the Spiritual: Gabriel Marcel, Psychoanalysis and the Sacred. London ; New York: Karnac, 2012.
MLA-viite (9. p.)
Marcus, Paul. In Search of the Spiritual: Gabriel Marcel, Psychoanalysis and the Sacred. Karnac, 2012.
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