Presidents creating the presidency
Campbell Karlyn Kohrs, Jamieson Kathleen HallKniha
Citace v seznamu literatury:
CAMPBELL, Karlyn Kohrs a JAMIESON, Kathleen Hall. Presidents creating the presidency: deeds done in words. Chicago: University of Chicago Press, 2008. ISBN 9780226092218. Dostupné také z: http://www.loc.gov/catdir/toc/fy0805/2007031668.html.