Burgan, M. (2011). Searching for UFOs, aliens, and men in black. Capstone Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurgan, Michael. Searching for UFOs, Aliens, and Men in Black. Mankato, Minn.: Capstone Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurgan, Michael. Searching for UFOs, Aliens, and Men in Black. Capstone Press, 2011.
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