Wahlke, J. C., Eulau, H., Buchanan, W., & Ferguson, L. C. (1962). The legislative system: Explorations in legislative behavior. John Wiley.
Cita Chicago (17th ed.)Wahlke, John C., Heinz Eulau, William Buchanan, i LeRoy C. Ferguson. The Legislative System: Explorations in Legislative Behavior. Nueva York: John Wiley, 1962.
Cita MLA (9th ed.)Wahlke, John C., et al. The Legislative System: Explorations in Legislative Behavior. John Wiley, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.