Herring, P. (1940). Presidential leadership: The political relations of congress and the chief executive. Rinehart.
Chicago-Zitierstil (17. Ausg.)Herring, Pendleton. Presidential Leadership: The Political Relations of Congress and the Chief Executive. New York: Rinehart, 1940.
MLA-Zitierstil (9. Ausg.)Herring, Pendleton. Presidential Leadership: The Political Relations of Congress and the Chief Executive. Rinehart, 1940.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.