Drifte, C. (2004). Encouraging positive behaviour in the early years: A practical guide. Paul Chapman Publishing.
Dyfyniad Arddull ChicagoDrifte, Collette. Encouraging Positive Behaviour in the Early Years: A Practical Guide. Thousand Oaks, CA: Paul Chapman Publishing, 2004.
Dyfyniad MLADrifte, Collette. Encouraging Positive Behaviour in the Early Years: A Practical Guide. Paul Chapman Publishing, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.