444605 Krugman, P. R. (1997). Development, geography, and economic theory. Cambridge : The MIT Press.
Čikaški stil citiranja (17. izdanje)444605 Krugman, Paul R. Development, Geography, and Economic Theory. Cambridge : The MIT Press, 1997.
MLA način citiranja (9. izdanje)444605 Krugman, Paul R. Development, Geography, and Economic Theory. Cambridge : The MIT Press, 1997.
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