Folds, V., & Victoria Folds. (2008). Three-step tray tasking: Logic & critical thinking activities for young children. Clifton Park, NY: Thomson Delmar Learning.
Παραπομπή Chicago StyleFolds, Victoria, και Victoria Folds. Three-step Tray Tasking: Logic & Critical Thinking Activities for Young Children. Clifton Park, NY: Thomson Delmar Learning, 2008.
Παραπομπή MLAFolds, Victoria, και Victoria Folds. Three-step Tray Tasking: Logic & Critical Thinking Activities for Young Children. Clifton Park, NY: Thomson Delmar Learning, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.