Tompkins, P. (2016). Proof of angels: The definitive book on the reality of angels and the surprising role they play in each of our lives (First [edition].). Howard Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTompkins, Ptolemy. Proof of Angels: The Definitive Book on the Reality of Angels and the Surprising Role They Play in Each of Our Lives. First [edition]. New York: Howard Books, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTompkins, Ptolemy. Proof of Angels: The Definitive Book on the Reality of Angels and the Surprising Role They Play in Each of Our Lives. First [edition]. Howard Books, 2016.
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