1. The System of Professions: An Essay on the Division of Expert Labor;Andrew Abbott;Social Research,1988
2. Tasselled Loafers for Barefoot Lawyers: Transformation and Tension in the World of Chinese Legal Workers;William P Alford;Double-Edged Swords Cut Both Ways: Law and Legitimacy in the People's,1993
3. Quarterly Chronicle and Documentation;Robert F Ash;The China Quarterly,1989
4. Beijing Statistical Yearbook;BBS,2001