Spero, J. E. (1981). The politics of international economic relations (2nd ed.). St. Martin's Press.
Citace podle Chicago (17th ed.)Spero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. New York: St. Martin's Press, 1981.
Citace podle MLA (9th ed.)Spero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. St. Martin's Press, 1981.
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