Austen-Smith, D., & Banks, J. S. (2000). Positive political theory (1st pbk. ed. 2000.). University of Michigan Press.

Austen-Smith, David, and Jeffrey S. Banks. Positive Political Theory. 1st pbk. ed. 2000. Ann Arbor, Mich.: University of Michigan Press, 2000.

Austen-Smith, David, and Jeffrey S. Banks. Positive Political Theory. 1st pbk. ed. 2000. University of Michigan Press, 2000.