Drifte, C. (2004). Encouraging positive behaviour in the early years: A practical guide. Paul Chapman Publishing.
Chicago Style aipamenaDrifte, Collette. Encouraging Positive Behaviour in the Early Years: A Practical Guide. Thousand Oaks, CA: Paul Chapman Publishing, 2004.
MLA aipamenaDrifte, Collette. Encouraging Positive Behaviour in the Early Years: A Practical Guide. Paul Chapman Publishing, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.