Butler, A. L. (1970). Current research in early childhood education: A compilation and analysis for program planners. American Association of Elementary-Kindergarten-Nursery Educators.
Chicago-Zitierstil (17. Ausg.)Butler, Annie Louise. Current Research in Early Childhood Education: A Compilation and Analysis for Program Planners. Washington, D.C: American Association of Elementary-Kindergarten-Nursery Educators, 1970.
MLA-Zitierstil (9. Ausg.)Butler, Annie Louise. Current Research in Early Childhood Education: A Compilation and Analysis for Program Planners. American Association of Elementary-Kindergarten-Nursery Educators, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.