McReynolds, D. (1970). We have been invaded by the 21st century. New York: Praeger Publishers.
Παραπομπή Chicago StyleMcReynolds, David. We Have Been Invaded By the 21st Century. New York: Praeger Publishers, 1970.
Παραπομπή MLAMcReynolds, David. We Have Been Invaded By the 21st Century. New York: Praeger Publishers, 1970.
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