Otto, R., Bracey, B. L., & Payne, R. C. (1932). Mysticism east and west: A comparative analysis of the nature of mysticism. The Macmillan Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOtto, Rudolf, Bertha L. Bracey, और Richenda C. Payne. Mysticism East and West: A Comparative Analysis of the Nature of Mysticism. The Macmillan Company, 1932.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOtto, Rudolf, et al. Mysticism East and West: A Comparative Analysis of the Nature of Mysticism. The Macmillan Company, 1932.
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