Frenkel, J. A., & Johnson, H. G. (1977). The Monetary approach to the balance of payments. Allen and Unwin.
Lua i Stíl Chicago (17ú heag.)Frenkel, Jacob A., agus Harry G. Johnson. The Monetary Approach to the Balance of Payments. London: Allen and Unwin, 1977.
Lua MLA (8ú heag.)Frenkel, Jacob A., agus Harry G. Johnson. The Monetary Approach to the Balance of Payments. Allen and Unwin, 1977.
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