Schwab, K., & Porter, M. E. S. (1999). global competitiveness report 1999. Oxford University.
シカゴスタイル引用形Schwab, Klaus, , Michael E. Sachs Porter. Global Competitiveness Report 1999. New Delhi: Oxford University, 1999.
MLA引用形式Schwab, Klaus, , Michael E. Sachs Porter. Global Competitiveness Report 1999. Oxford University, 1999.
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