Patterson, C. P. (1947). Presidential government in the United States: The unwritten constitution. University of North Carolina Press.
Style de citation Chicago (17e éd.)Patterson, Caleb Perry. Presidential Government in the United States: The Unwritten Constitution. Chapel Hill: University of North Carolina Press, 1947.
Style de citation MLA (9e éd.)Patterson, Caleb Perry. Presidential Government in the United States: The Unwritten Constitution. University of North Carolina Press, 1947.
Attention : ces citations peuvent ne pas être correctes à 100%.