Sung, W., & Troia, R. (1992). Developments in debt conservion programs and conversion activities. IBRD.
Chicago Style (17. basım) AtıfSung, Woonki, ve Rosaria Troia. Developments in Debt Conservion Programs and Conversion Activities. Washington, D.C.: IBRD, 1992.
MLA (9th ed.) AtıfSung, Woonki, ve Rosaria Troia. Developments in Debt Conservion Programs and Conversion Activities. IBRD, 1992.
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