Ferrell, R. H. (2006). Presidential leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press.
Chicagoスタイル(17版)引用形式Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. Columbia: University of Missouri Press, 2006.
MLA(9版)引用形式Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press, 2006.
警告: この引用は必ずしも正確ではありません.