Frumkin, A. B. (1969). Modern theories of international economic relations. Progress Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrumkin, A. B. Modern Theories of International Economic Relations. Moscow: Progress Pub., 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFrumkin, A. B. Modern Theories of International Economic Relations. Progress Pub., 1969.