3Brooks-Gunn, J.,&Duncan, G. J.. The Effects of Poverty on Children and Youth [J]. The future of children. Princeton University and the Brookings Institution, 1997, (7) : 55-71.
4]Brooks J, & Griffin T.. Maternal reading and teaching patterns: Associations with school readiness in low-income African American families[J]. Reading Research Quarterly, 2006,41:68-89.
5Jennifer Boemmel &Joan Briscoe. Web Quest Project Theory Fact Sheet of Urie Bronfenbrenner[EB/ OL].http://pt3.nl.edu/boemmelbriscoewelbquest.pdf, 2009-2-25.
