Edelman, M., & Kenen, J. (1989). Secret Memo: U.S. response to Costa Rica's urgent request for security assistance. Grove Weidenfeld.
Chicago Style (17. basım) AtıfEdelman, Marc, ve Joanne Kenen. Secret Memo: U.S. Response to Costa Rica's Urgent Request for Security Assistance. Nueva York: Grove Weidenfeld, 1989.
MLA (9th ed.) AtıfEdelman, Marc, ve Joanne Kenen. Secret Memo: U.S. Response to Costa Rica's Urgent Request for Security Assistance. Grove Weidenfeld, 1989.
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