Athey, C. (1990). Extending thought in young children: A parent-teacher partnership. PCP/Sage Publications.
Dyfyniad Arddull ChicagoAthey, Chris. Extending Thought in Young Children: A Parent-teacher Partnership. Thousand Oaks, CA: PCP/Sage Publications, 1990.
Dyfyniad MLAAthey, Chris. Extending Thought in Young Children: A Parent-teacher Partnership. PCP/Sage Publications, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.