World bank. (1999). Entering the 21st Century: World development report 1999/2000. University press.
シカゴスタイル引用形World bank. Entering the 21st Century: World Development Report 1999/2000. Oxford: University press, 1999.
MLA引用形式World bank. Entering the 21st Century: World Development Report 1999/2000. University press, 1999.
警告: この引用は必ずしも正確ではありません.