Frumkin, A. B. (1969). Modern theories of international economic relations. Progress Pub..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিFrumkin, A. B. Modern Theories of International Economic Relations. Moscow: Progress Pub., 1969.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিFrumkin, A. B. Modern Theories of International Economic Relations. Progress Pub., 1969.