(2008). Textbooks and school library provisions in secondary education in Sub-Saharan Africa. World Bank.
Chicago-referens (17:e uppl.)Textbooks and School Library Provisions in Secondary Education in Sub-Saharan Africa. Washington, D.C: World Bank, 2008.
MLA-referens (9:e uppl.)Textbooks and School Library Provisions in Secondary Education in Sub-Saharan Africa. World Bank, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.