Holyoke, P. (2014). The Neptune Project (First Disney/Hyperion paperback edition.). Disney/Hyperion Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolyoke, Polly. The Neptune Project. First Disney/Hyperion paperback edition. New York: Disney/Hyperion Books, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHolyoke, Polly. The Neptune Project. First Disney/Hyperion paperback edition. Disney/Hyperion Books, 2014.
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