Crutcher, C. (2013). Period 8 (First edition.). Greenwillow Books, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrutcher, Chris. Period 8. First edition. New York: Greenwillow Books, an imprint of HarperCollins Publishers, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrutcher, Chris. Period 8. First edition. Greenwillow Books, an imprint of HarperCollins Publishers, 2013.
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