Bullard, J. (2010). Creating environments for learning: Birth to age eight. Merrill.
Chicago-referens (17:e uppl.)Bullard, Julie. Creating Environments for Learning: Birth to Age Eight. Ohio: Merrill, 2010.
MLA-referens (9:e uppl.)Bullard, Julie. Creating Environments for Learning: Birth to Age Eight. Merrill, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.