APA (7e ed.) Bronvermelding

Ferrell, R. H. (2006). Presidential leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press.

Chicago (17e ed.) Bronvermelding

Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. Columbia: University of Missouri Press, 2006.

MLA (9e ed.) Bronvermelding

Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press, 2006.