(1981). Educational Statistics in OECD Countries. Organisation for Economic Co Operation and Development.
Chicago-Zitierstil (17. Ausg.)Educational Statistics in OECD Countries. Organisation for Economic Co Operation and Development, 1981.
MLA-Zitierstil (8. Ausg.)Educational Statistics in OECD Countries. Organisation for Economic Co Operation and Development, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.