Vakoch. Communication with Extraterrestrial Intelligence (CETI). State University of New York Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVakoch. Communication with Extraterrestrial Intelligence (CETI). State University of New York Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVakoch. Communication with Extraterrestrial Intelligence (CETI). State University of New York Press.
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