Drifte, C. (2004). Encouraging positive behaviour in the early years: A practical guide. Paul Chapman Publishing.
Chicago-referens (17:e uppl.)Drifte, Collette. Encouraging Positive Behaviour in the Early Years: A Practical Guide. Thousand Oaks, CA: Paul Chapman Publishing, 2004.
MLA-referens (8:e uppl.)Drifte, Collette. Encouraging Positive Behaviour in the Early Years: A Practical Guide. Paul Chapman Publishing, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.