APA-referens (7:e uppl.)
Isaak, A. C. (1975). Scope and methods of political science: An introduction to the methodology of political inquiry (Rev.ed.). Dorsey.
Chicago-referens (17:e uppl.)
Isaak, Alan C. Scope and Methods of Political Science: An Introduction to the Methodology of Political Inquiry. Rev.ed. Illinois: Dorsey, 1975.
MLA-referens (9:e uppl.)
Isaak, Alan C. Scope and Methods of Political Science: An Introduction to the Methodology of Political Inquiry. Rev.ed. Dorsey, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.