Bregman. The Ecology of Spirituality. Baylor University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBregman. The Ecology of Spirituality. Baylor University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBregman. The Ecology of Spirituality. Baylor University Press.
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