Dodds, G. G. (2013). Take up your pen: Unilateral presidential directives in American politics. University of Pennsylvania Press.

Dodds, Graham G. Take Up Your Pen: Unilateral Presidential Directives in American Politics. Philadelphia: University of Pennsylvania Press, 2013.

Dodds, Graham G. Take Up Your Pen: Unilateral Presidential Directives in American Politics. University of Pennsylvania Press, 2013.