Athey, C. (1990). Extending thought in young children: A parent-teacher partnership. PCP/Sage Publications.
Chicago-referens (17:e uppl.)Athey, Chris. Extending Thought in Young Children: A Parent-teacher Partnership. Thousand Oaks, CA: PCP/Sage Publications, 1990.
MLA-referens (8:e uppl.)Athey, Chris. Extending Thought in Young Children: A Parent-teacher Partnership. PCP/Sage Publications, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.