1. Coleman JS (1990) Foundations of social theory (Harvard University Press, Cambridge).
2. Weber M (1976) Wirtschaft ung Gesellschaft (JBC Mohr, Tübingen).
3. The concept of power;Dahl;Behavioral Science,1957
4. The medical profession and health care reform — friend or foe?;Hernes;Soc Sci Med,2001
5. Fairclough N (2001) Language and power (Pearson ESL, Harlow), 2nd edn.