APA-referens (7:e uppl.)
Webster, G. R. Partisanship in American presidential, senatorial and gubernatorial elections in the western states. Butterworth & Co.
Chicago-referens (17:e uppl.)
Webster, Gerald R. Partisanship in American Presidential, Senatorial and Gubernatorial Elections in the Western States. s.l: Butterworth & Co.
MLA-referens (9:e uppl.)
Webster, Gerald R. Partisanship in American Presidential, Senatorial and Gubernatorial Elections in the Western States. Butterworth & Co.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.