Asher, J., & Einon, D. (1995). Time to play: Games and activities for development and fun for babies and young children. Michael Joseph.
Chicago-referens (17:e uppl.)Asher, Jane, och Dorothy Einon. Time to Play: Games and Activities for Development and Fun for Babies and Young Children. London: Michael Joseph, 1995.
MLA-referens (9:e uppl.)Asher, Jane, och Dorothy Einon. Time to Play: Games and Activities for Development and Fun for Babies and Young Children. Michael Joseph, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.