APA-referens (7:e uppl.)
Materu, P. (2007). Higher education quality assurance in Sub-Saharan Africa: Status, challenges, opportunities and promising practices. World Bank.
Chicago-referens (17:e uppl.)
Materu, Peter. Higher Education Quality Assurance in Sub-Saharan Africa: Status, Challenges, Opportunities and Promising Practices. Washington, D.C.: World Bank, 2007.
MLA-referens (9:e uppl.)
Materu, Peter. Higher Education Quality Assurance in Sub-Saharan Africa: Status, Challenges, Opportunities and Promising Practices. World Bank, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.