Dillow, G. (2019). Fire in the sky: Cosmic collisions, killer asteroids, and the race to defend Earth (First Scribner hardcover edition.). Scribner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDillow, Gordon. Fire in the Sky: Cosmic Collisions, Killer Asteroids, and the Race to Defend Earth. First Scribner hardcover edition. New York: Scribner, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDillow, Gordon. Fire in the Sky: Cosmic Collisions, Killer Asteroids, and the Race to Defend Earth. First Scribner hardcover edition. Scribner, 2019.
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