Levin, J. V. (1960). Export economies: Their pattern of development in historical perspective. Harvard.
Čikaški stil citiranjaLevin, Jonathan V. Export Economies: Their Pattern of Development in Historical Perspective. Combridge: Harvard, 1960.
MLA način citiranjaLevin, Jonathan V. Export Economies: Their Pattern of Development in Historical Perspective. Harvard, 1960.
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