Piper, D., & Murphey, C. (2008). Selections from 90 minutes in heaven: An inspiring story of life beyond death. Revell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPiper, Don, और Cecil Murphey. Selections from 90 Minutes in Heaven: An Inspiring Story of Life Beyond Death. Grand Rapids, Mich.: Revell, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPiper, Don, और Cecil Murphey. Selections from 90 Minutes in Heaven: An Inspiring Story of Life Beyond Death. Revell, 2008.
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