(1962). In-service training for primary teachers: Research in comparative education. Internat. Bureau of Education.
Chicago-Zitierstil (17. Ausg.)In-service Training for Primary Teachers: Research in Comparative Education. Geneva: Internat. Bureau of Education, 1962.
MLA-Zitierstil (9. Ausg.)In-service Training for Primary Teachers: Research in Comparative Education. Internat. Bureau of Education, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.