[4]Bernstein,B. Class,codes and control: Theoretical studies sociology of language (volume 1) [M].London: Rout-ledge,1971.
[5]Green berg,S. Social class differences in spontaneous verbal interactions[J].Child Study Journal. 1974. 4 (3);Giro u x,H. A. Theories of Reproduction and Resistance in the New Sociology of Education: A Critical Analysis[J],Harvard Education Review,1983.53(3) .
[6]Bernstein,B.Class,codes and control:Theoretical studies sociology of language ( volume 1)[M].London: Rout-ledge,1971.
[7]Bernstein B.Class,Codes and Control: Towards a Theory of Educational Transmissions: Volume 3[M]. London: Rout-ledge & Keg an Paul,1977.