Carr-Hill, R. A. (1975). A system of educational indicators with specific reference to developing countries. Unesco.
Chicago-Zitierstil (17. Ausg.)Carr-Hill, Roy A. A System of Educational Indicators with Specific Reference to Developing Countries. Paris: Unesco, 1975.
MLA-Zitierstil (9. Ausg.)Carr-Hill, Roy A. A System of Educational Indicators with Specific Reference to Developing Countries. Unesco, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.