5Karen Mossberger, Ramona S. McNeal.Digital Citizenship : The internet, society and participant[M]. Cambridge,Massachusetts: MIT Press, 2007.1-2.
6熊澄宇.信息社会4.0[M].湖南:湖南人民出版社,2002.78.
7U.S. Department of Education, National Center for Education Statistics, Fast Response Survey System (FRSS).Intemet Access in U. S. Public Schools and classrooms: 1994-2005 [DB/OL] . http:// nces.ed.gov/pubs2007/2007020.pdf.