Frumkin, A. B. (1969). Modern theories of international economic relations. Progress Pub..
Chicago-čujuhus (17. p.)Frumkin, A. B. Modern Theories of International Economic Relations. Moscow: Progress Pub., 1969.
MLA-čujuhus (9. p.)Frumkin, A. B. Modern Theories of International Economic Relations. Progress Pub., 1969.
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