6Blishen, B, R. 1958, "The Construction and Use of an Occupational Class Scale." Canadian Journal of Evonomics and Political Science 24.
7Bian, Yanjie 1994, Work and Inequality in Urban China,Albany: State University of New York Press.
8Duncan, O. D. 1961, "A Socio-eeonomic Index for all Occupations. " and "Properties and Characteristics of the Socioeconomic Index."in A. J. Reiss(ed. ), Occupations and Social Status, Glencoe, IL:Free Press.
9Ganzeboom, Harry B. G., Paul M. De Graaf & D. J. Treiman 1992,"A Standard International Socioeconomic Index of Occupational Status. "Social Science Research 21.
10Merton, Robert K. 1938, "Social Structttre and Anomie. " American Sociological Review 3.
