1. Breen, R. 2005. Foundations of a neo⁃Weberian class analysis. In In approaches to class analysis, ed. E. O. Wright. Cambridge: Cambridge University Press.
2. Chi, F., ed. 2014. Market decides. Beijing: China Economic Press.
3. Crompton, R. 2008. Class and stratification. Cambridge: Polity Press.
4. Erikson, R., and J.H. Goldthorpe. 1992. The constant flux. Oxford: Oxford University Press.
5. Ganzeboom, H. B. G., and D. J. Treiman. 2003. Three internationally standardized measures for comparative research on occupational status. In advances in cross-national comparison: A European working book for demographic and socio⁃ economic variables, ed. J. Hoffmeyer⁃Zlotnik and C. Wolf. London: Kluwer Academic / Plenum Publishers.