Wahlke, J. C., Eulau, H., Buchanan, W., & Ferguson, L. C. (1962). The legislative system: Explorations in legislative behavior. John Wiley.
Citazione stile Chigago Style (17a edizione)Wahlke, John C., Heinz Eulau, William Buchanan, e LeRoy C. Ferguson. The Legislative System: Explorations in Legislative Behavior. Nueva York: John Wiley, 1962.
Citatione MLA (9a ed.)Wahlke, John C., et al. The Legislative System: Explorations in Legislative Behavior. John Wiley, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.