Ringwald, W. (2013). The secret box (First edition.). Katherine Tegen Books, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRingwald, Whitaker. The Secret Box. First edition. New York, NY: Katherine Tegen Books, an imprint of HarperCollinsPublishers, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRingwald, Whitaker. The Secret Box. First edition. Katherine Tegen Books, an imprint of HarperCollinsPublishers, 2013.
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