Spero, J. E. (1997). The politics of international economic relations (5th ed.). St. Martin's Press.
Chicago-viite (17. p.)Spero, John Edelman. The Politics of International Economic Relations. 5th ed. New York: St. Martin's Press, 1997.
MLA-viite (9. p.)Spero, John Edelman. The Politics of International Economic Relations. 5th ed. St. Martin's Press, 1997.
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