Harper, K. (2017). The it girls (First edition.). William Morrow, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarper, Karen. The It Girls. First edition. New York, N.Y.: William Morrow, an imprint of HarperCollinsPublishers, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarper, Karen. The It Girls. First edition. William Morrow, an imprint of HarperCollinsPublishers, 2017.
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