Dyfyniad APA
Zimmerman, J. F. (2011). Horizontal federalism: Interstate relations. State University of New York Press.
Dyfyniad Arddull Chicago
Zimmerman, Joseph Francis. Horizontal Federalism: Interstate Relations. Albany: State University of New York Press, 2011.
Dyfyniad MLA
Zimmerman, Joseph Francis. Horizontal Federalism: Interstate Relations. State University of New York Press, 2011.
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