APA-referens (7:e uppl.)
Zimmerman, J. F. (2008). Contemporary American federalism: The growth of national power (2nd ed.). State University of New York Press.
Chicago-referens (17:e uppl.)
Zimmerman, Joseph Francis. Contemporary American Federalism: The Growth of National Power. 2nd ed. Albany, NY: State University of New York Press, 2008.
MLA-referens (9:e uppl.)
Zimmerman, Joseph Francis. Contemporary American Federalism: The Growth of National Power. 2nd ed. State University of New York Press, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.