Kochalka, J. (2019). Johnny boo is king! Idea and Design Work, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKochalka, James. Johnny Boo Is King! Cleveland: Idea and Design Work, LLC, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKochalka, James. Johnny Boo Is King! Idea and Design Work, LLC, 2019.
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