Brake, M., Jack, C., & Ford, G. (2012). The alien hunter's handbook: How to look for extraterrestrial life. Kingfisher.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrake, Mark, Colin Jack, और Geraint Ford. The Alien Hunter's Handbook: How to Look for Extraterrestrial Life. New York, NY: Kingfisher, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrake, Mark, et al. The Alien Hunter's Handbook: How to Look for Extraterrestrial Life. Kingfisher, 2012.
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