Drucker, P. F. 1., Miller, D. C. 1., Dahl, R. A. 1., D'Antonio, W. V. 1., & Ehrlich, H. J. (1961). Power and democracy in America. Notre Dame, Indiana: University of Notre Dame Press.

Drucker, Peter Ferdinand 1909-2005, Delbert Charles 1913- Miller, Robert Alan 1915-2014 Dahl, William V. 1926- D'Antonio, and Howard J. Ehrlich. Power and Democracy in America. Notre Dame, Indiana: University of Notre Dame Press, 1961.

Drucker, Peter Ferdinand 1909-2005, et al. Power and Democracy in America. Notre Dame, Indiana: University of Notre Dame Press, 1961.