9Happe, F., Winner,E., & Brownell,H.The getting of wisdom:theory of mind in old age. Developiment Psychology, 1998, (34).
10Youngblade, L.M., & Dunn,J. Individual differences in young children's pretend play with mother and sibing:Links to relationships and understanding of other people' s feelings and beliefs.Child Development, 1995,(66).
