Erning, G. (1987). Geschichte des Kindergartens. Lambertus.
Chicago Style (17th ed.) CitationErning, Günter. Geschichte Des Kindergartens. Freiburg im Breisgau: Lambertus, 1987.
MLA (8th ed.) CitationErning, Günter. Geschichte Des Kindergartens. Lambertus, 1987.
Warning: These citations may not always be 100% accurate.