APA aipamena

(2008). Textbooks and school library provisions in secondary education in Sub-Saharan Africa. World Bank.

Chicago Style aipamena

Textbooks and School Library Provisions in Secondary Education in Sub-Saharan Africa. Washington, D.C: World Bank, 2008.

MLA aipamena

Textbooks and School Library Provisions in Secondary Education in Sub-Saharan Africa. World Bank, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.