Alberta Teachers' Association & Alberta Teachers' Association. Early Childhood Education Council. Early childhood education. Alberta Teachers' Association.
Chicago-referens (17:e uppl.)Alberta Teachers' Association och Alberta Teachers' Association. Early Childhood Education Council. Early Childhood Education. Edmonton: Alberta Teachers' Association.
MLA-referens (9:e uppl.)Alberta Teachers' Association och Alberta Teachers' Association. Early Childhood Education Council. Early Childhood Education. Alberta Teachers' Association.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.