Blum, J. N. (2015). Zen and the unspeakable god: Comparative interpretations of mystical experience. The Pennsylvania State University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Blum, Jason N. Zen and the Unspeakable God: Comparative Interpretations of Mystical Experience. University Park, Pennsylvania: The Pennsylvania State University Press, 2015.
Παραπομπή σε μορφή MLA (8th εκδ.)Blum, Jason N. Zen and the Unspeakable God: Comparative Interpretations of Mystical Experience. The Pennsylvania State University Press, 2015.
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