Harvard University. Center for International Development., & World Economic Forum. (1999). The global competitiveness report 1999. New York: Oxford University Press.

Harvard University. Center for International Development., و World Economic Forum. The Global Competitiveness Report 1999. New York: Oxford University Press, 1999.

Harvard University. Center for International Development., و World Economic Forum. The Global Competitiveness Report 1999. New York: Oxford University Press, 1999.