World Economic Forum. (1999). Global Competitiveness Report 1999.
シカゴスタイル引用形World Economic Forum. Global Competitiveness Report 1999. Oxford Uvty Press: Oxford, 1999.
MLA引用形式World Economic Forum. Global Competitiveness Report 1999. 1999.
警告: この引用は必ずしも正確ではありません.