Crockett, D. A. (2002). The opposition presidency: Leadership and the constraints of history. Texas A & M University Press.
Style de citation Chicago (17e éd.)Crockett, David A. The Opposition Presidency: Leadership and the Constraints of History. College Station: Texas A & M University Press, 2002.
Style de citation MLA (8e éd.)Crockett, David A. The Opposition Presidency: Leadership and the Constraints of History. Texas A & M University Press, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.