Schroff, L., & Tresniowski, A. (2016). Angels on Earth: Inspiring stories of fate, friendship, and the power of connections (First Howard Books edition.). Howard Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchroff, Laura, और Alex Tresniowski. Angels on Earth: Inspiring Stories of Fate, Friendship, and the Power of Connections. First Howard Books edition. New York: Howard Books, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchroff, Laura, और Alex Tresniowski. Angels on Earth: Inspiring Stories of Fate, Friendship, and the Power of Connections. First Howard Books edition. Howard Books, 2016.
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