Wawro, G. J., & Schickler, E. (2006). Filibuster: Obstruction and lawmaking in the U.S. Senate. Princeton University Press.

Wawro, Gregory J., and Eric Schickler. Filibuster: Obstruction and Lawmaking in the U.S. Senate. Princeton, New Jersey: Princeton University Press, 2006.

Wawro, Gregory J., and Eric Schickler. Filibuster: Obstruction and Lawmaking in the U.S. Senate. Princeton University Press, 2006.