PRIMARY EDUCATION. (1990). Primary education: A world bank policy paper. The World Bank.
芝加哥风格引文PRIMARY EDUCATION. Primary Education: A World Bank Policy Paper. Washington: The World Bank, 1990.
MLA引文PRIMARY EDUCATION. Primary Education: A World Bank Policy Paper. The World Bank, 1990.
警告：这些引文格式不一定是100％准确.