Rao, J., & Borgions, M. (2017). Looking up!: The science of stargazing (Simon Spotlight edition.). Simon Spotlight.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRao, Joe, और Mark Borgions. Looking Up!: The Science of Stargazing. Simon Spotlight edition. New York: Simon Spotlight, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRao, Joe, और Mark Borgions. Looking Up!: The Science of Stargazing. Simon Spotlight edition. Simon Spotlight, 2017.
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