Sisson, S. R. (2014). Star stuff: Carl Sagan and the mysteries of the cosmos (First edition.). Roaring Brook Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSisson, Stéphanie Roth. Star Stuff: Carl Sagan and the Mysteries of the Cosmos. First edition. New York: Roaring Brook Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSisson, Stéphanie Roth. Star Stuff: Carl Sagan and the Mysteries of the Cosmos. First edition. Roaring Brook Press, 2014.
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