LeLoup, L. T., & Shull, S. A. (2003). The President and Congress: Collaboration and combat in national policymaking (2nd ed.). Longman.
Dyfyniad Arddull ChicagoLeLoup, Lance T., and Steven A. Shull. The President and Congress: Collaboration and Combat in National Policymaking. 2nd ed. New York: Longman, 2003.
Dyfyniad MLALeLoup, Lance T., and Steven A. Shull. The President and Congress: Collaboration and Combat in National Policymaking. 2nd ed. Longman, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.