Angleberger, T., Scieszka, J., & Ruth, G. (2013). Other worlds (First edition.). Walden Pond Press, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAngleberger, Tom, Jon Scieszka, और Greg Ruth. Other Worlds. First edition. New York, NY: Walden Pond Press, an imprint of HarperCollinsPublishers, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAngleberger, Tom, et al. Other Worlds. First edition. Walden Pond Press, an imprint of HarperCollinsPublishers, 2013.
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