National Society for the Study of Education. Committee on Early Childhood Education & Gordon, I. J. (1972). Early childhood education. NSSE; distributed by the University of Chicago Press.
Chicago-Zitierstil (17. Ausg.)National Society for the Study of Education. Committee on Early Childhood Education und Ira J. Gordon. Early Childhood Education. Chicago: NSSE; distributed by the University of Chicago Press, 1972.
MLA-Zitierstil (8. Ausg.)National Society for the Study of Education. Committee on Early Childhood Education und Ira J. Gordon. Early Childhood Education. NSSE; distributed by the University of Chicago Press, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.