Cameron, W. B., & Cowdrey, R. (2015). Ellie's story: A dog's purpose novel (1st ed.: April 2015.). Starscape/A Tom Doherty Associates Book : Scholastic Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCameron, W. Bruce, और Richard Cowdrey. Ellie's Story: A Dog's Purpose Novel. 1st ed.: April 2015. New York: Starscape/A Tom Doherty Associates Book : Scholastic Inc., 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCameron, W. Bruce, और Richard Cowdrey. Ellie's Story: A Dog's Purpose Novel. 1st ed.: April 2015. Starscape/A Tom Doherty Associates Book : Scholastic Inc., 2015.
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