Spero, J. E. (1977). The politics of international economic relations. New York: St. Martin's Press.
Trích dẫn kiểu ChicagoSpero, Joan Edelman. The Politics of International Economic Relations. New York: St. Martin's Press, 1977.
Deismireacht MLASpero, Joan Edelman. The Politics of International Economic Relations. New York: St. Martin's Press, 1977.
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