Keal, P. (1983). Unspoken rules and superpower dominance. St. Martin's.
Chicago Style (17. basım) AtıfKeal, Paul. Unspoken Rules and Superpower Dominance. New York: St. Martin's, 1983.
MLA (9th ed.) AtıfKeal, Paul. Unspoken Rules and Superpower Dominance. St. Martin's, 1983.
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