Hills, T. (2015). R is for rocket: An ABC book (First edition.). Schwartz & Wade Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHills, Tad. R Is for Rocket: An ABC Book. First edition. New York: Schwartz & Wade Books, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHills, Tad. R Is for Rocket: An ABC Book. First edition. Schwartz & Wade Books, 2015.
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