4HANNIFAN L J. The Community Center[M]. Boston:Silver,Burdette & Co,1920.
5PORTES A. The two meanings of social capital[J].Sociological Forum, 2000,15 (1) : 1-12.
6BOURDIEU P. The forms of capital[A]. J G Richardson, Handbook of Theory and Research for the Sociology of Education [C]. New York: Greenwood Press, Inc,1986. 241-258.
7COLEMAN J S. Social capital in the creation of human capital[J]. American Journal of Sociology, 1988,94(supplernent) :95-120.
8PORTES A. Social capial: its origins and applications in modern sociology[J]. Annual Review of Sociology,1998,24:1-24.
9LIN N. Building a network theory of social capitd [J]. Connections, 1999,22 (1) : 28-51.
10PAXTON P. Is social capital declining in the United State? A multiple indicator assessment[J]. The American Journal of Sociology, 1999,105 (1) :88-127.
