O'Rourke, K. H., & Williamson, J. G. (2001). After Columbus: Explaining the global trade boom 1500-1800. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfO'Rourke, Kevin H., ve Jeffrey G. Williamson. After Columbus: Explaining the Global Trade Boom 1500-1800. Cambridge: National Bureau of Economic Research, 2001.
MLA (9th ed.) AtıfO'Rourke, Kevin H., ve Jeffrey G. Williamson. After Columbus: Explaining the Global Trade Boom 1500-1800. National Bureau of Economic Research, 2001.
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