APA-referens (7:e uppl.)
Sunday, B. (2005). The sawdust trail: Billy Sunday in his own words. University of Iowa Press.
Chicago-referens (17:e uppl.)
Sunday, Billy. The Sawdust Trail: Billy Sunday in His Own Words. Iowa City, Iowa: University of Iowa Press, 2005.
MLA-referens (9:e uppl.)
Sunday, Billy. The Sawdust Trail: Billy Sunday in His Own Words. University of Iowa Press, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.