APA-referens (7:e uppl.)
Hartley, R. E. (2013). Battleground 1948: Truman, Stevenson, Douglas, and the most surprising election in Illinois history. Southern Illinois University Press.
Chicago-referens (17:e uppl.)
Hartley, Robert E. Battleground 1948: Truman, Stevenson, Douglas, and the Most Surprising Election in Illinois History. Carbondale, Ill.: Southern Illinois University Press, 2013.
MLA-referens (9:e uppl.)
Hartley, Robert E. Battleground 1948: Truman, Stevenson, Douglas, and the Most Surprising Election in Illinois History. Southern Illinois University Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.