1. Abell, P. (1975) Organizations as bargaining and influence systems London: Heinemann.
2. Althusser, L. (1969) For Marx, London: Penguin.
3. Armstrong, D. (2002) ‘Clinical autonomy, individual and collective: The problem of changing doctors’ behaviour’, Social Science & Medicine, 55 (10), 1771–1777.
4. Bachrach, P. and Baratz, M. S. (1970) Power and poverty: Theory and practice,London: Oxford UP.
5. Blau, P. M. (1964) Exchange and power in social life, London: Wiley.