4Bishop,John,Occupational training in high schools:When does it pay off?[J].Economics of Education Review,Vol.8,1989.1-15.
5Blossfield,Is the German dual system a model for a modern vocational training system? A cross-national comparison of how different systems of vocational training deal with the changing occupational structure[J].International Journal of Comparative Sociology,Vol.23,1992.168-181.
6Gamoran,A.& Mare,R.,Secondary school tracking and educational inequality:Compensation,reinforcement or neutrality[J].American journal of sociology,Vol.94,1989.1146-1183.
7Hallinan,M.& Willianms,R.,Students' characteristics and the peer-influence process[J].Sociology of Education,Vol.63,1990.122-133.
8Bowles,S.& Gintis,H.Schooling in capitalist America[M].New York:Basic Books,1976.35.
9Spence,M.,Market signaling[M].Cambridge,Ma.:Harvard University Press,1974.50.
10Boesel,D.,Hudson,L.,Deich,S.,& Masten,C.,Participation in and quality of vocational education[J].National assessment of vocational education,Vol.2,1994.67-89.