Petersen, A. (2017). On edge: A journey through anxiety (First edition.). Crown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPetersen, Andrea. On Edge: A Journey Through Anxiety. First edition. New York: Crown, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPetersen, Andrea. On Edge: A Journey Through Anxiety. First edition. Crown, 2017.
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