1. Ainsworth, Mary D.1967 Infancy in Uganda: Infant Care and the Growth of Love. Baltimore: Johns Hopkins University Press.
2. Alliance for Childhood2004 Home Page. Electronic document, http://www. allianceforchildhood.net/projects/play/index.htm, accessed July 15, 2005.
3. Japanese Mothers and Obentōs: The Lunch-Box as Ideological State Apparatus
4. Auerbach, Stevanne1998 Dr. Toy's Smart Play: How To Raise a Child with a High PQ. New York: St. Martin's Press.
5. Australian Childhood Foundation2005 Home Page. Electronic document, http://www.kidscount. com.au/info/play.asp, accessed July 15.