(1971). Social background of students and their chance of success at school. UNESCO.
Chicago-Zitierstil (17. Ausg.)Social Background of Students and Their Chance of Success at School. Paris u.a: UNESCO, 1971.
MLA-Zitierstil (9. Ausg.)Social Background of Students and Their Chance of Success at School. UNESCO, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.