APA-referens (7:e uppl.)
Preston, T. (2001). The President and his inner circle: Leadership style and the advisory process in foreign affairs. Columbia University Press.
Chicago-referens (17:e uppl.)
Preston, Thomas. The President and His Inner Circle: Leadership Style and the Advisory Process in Foreign Affairs. New York: Columbia University Press, 2001.
MLA-referens (9:e uppl.)
Preston, Thomas. The President and His Inner Circle: Leadership Style and the Advisory Process in Foreign Affairs. Columbia University Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.