Villard, R., & Cook, L. (2005). Infinite worlds: An illustrated voyage to planets beyond our sun. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillard, Ray, और Lynette Cook. Infinite Worlds: An Illustrated Voyage to Planets Beyond Our Sun. Berkeley: University of California Press, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVillard, Ray, और Lynette Cook. Infinite Worlds: An Illustrated Voyage to Planets Beyond Our Sun. University of California Press, 2005.
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