1. Bachrach, P., & Baratz, M. S. (1962). The two faces of power. American Political Science Review, 56(4), 947–952.
2. Bentley, A. F. (1908). The process of government: A study of social pressures. Chicago, IL: University of Chicago Press.
3. Dahl, R. A. (1956). A preface to democratic theory. New Haven, CT: Yale University Press.
4. Dahl, R. A. (1982). Dilemmas of pluralist democracy. New Haven, CT: Yale University Press.
5. Dexter, L. A. (1969). How organizations are represented in Washington. Indianapolis, IN: Bobbs-Merrill.