ERIC Clearinghouse on Elementary and Early Childhood Education. Early childhood research & practice: ECRP. ERIC Clearinghouse on Elementary and Early Childhood Education.
Chicago-referens (17:e uppl.)ERIC Clearinghouse on Elementary and Early Childhood Education. Early Childhood Research & Practice: ECRP. Champaign, IL: ERIC Clearinghouse on Elementary and Early Childhood Education.
MLA-referens (9:e uppl.)ERIC Clearinghouse on Elementary and Early Childhood Education. Early Childhood Research & Practice: ECRP. ERIC Clearinghouse on Elementary and Early Childhood Education.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.