UNESCO/OECD World Education Indicators Programme. (2005). Education trends in perspective: Analysis of the world education indicators. Unesco Institute for Statistics ; Organisation for Economic Co-Operation and Development, World Education Indicators Programme.
Παραπομπή σε μορφή Chicago (17η εκδ.)UNESCO/OECD World Education Indicators Programme. Education Trends in Perspective: Analysis of the World Education Indicators. Montreal : Paris: Unesco Institute for Statistics ; Organisation for Economic Co-Operation and Development, World Education Indicators Programme, 2005.
Παραπομπή σε μορφή MLA (8th εκδ.)UNESCO/OECD World Education Indicators Programme. Education Trends in Perspective: Analysis of the World Education Indicators. Unesco Institute for Statistics ; Organisation for Economic Co-Operation and Development, World Education Indicators Programme, 2005.