(2008). Textbooks and school library provisions in secondary education in Sub-Saharan Africa. World Bank.
芝加哥风格引文Textbooks and School Library Provisions in Secondary Education in Sub-Saharan Africa. Washington, D.C: World Bank, 2008.
MLA引文Textbooks and School Library Provisions in Secondary Education in Sub-Saharan Africa. World Bank, 2008.
警告：这些引文格式不一定是100％准确.