(1972). Educational Research Symposium on Research into Pre-school Education, Jyväskylä, Finland, 7-11 December 1971. Council of Europe, Documentation Centre for Education in Europe.
Chicago-Zitierstil (17. Ausg.)Educational Research Symposium on Research into Pre-school Education, Jyväskylä, Finland, 7-11 December 1971. Strasbourg: Council of Europe, Documentation Centre for Education in Europe, 1972.
MLA-Zitierstil (9. Ausg.)Educational Research Symposium on Research into Pre-school Education, Jyväskylä, Finland, 7-11 December 1971. Council of Europe, Documentation Centre for Education in Europe, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.