APA ציטוט

444605 Krugman, P. R. (1997). Development, geography, and economic theory. Cambridge : The MIT Press.

Chicago Style (17th ed.) Citation

444605 Krugman, Paul R. Development, Geography, and Economic Theory. Cambridge : The MIT Press, 1997.

ציטוט MLA

444605 Krugman, Paul R. Development, Geography, and Economic Theory. Cambridge : The MIT Press, 1997.