World bank. (1999). World development report 1998-99: Knowledge for development. University press.
シカゴスタイル引用形World bank. World Development Report 1998-99: Knowledge for Development. Oxford: University press, 1999.
MLA引用形式World bank. World Development Report 1998-99: Knowledge for Development. University press, 1999.
警告: この引用は必ずしも正確ではありません.