Dyfyniad APA
Mayhew, D. R. (2008). Parties and policies: How the American government works. Yale University Press.
Dyfyniad Arddull Chicago
Mayhew, David R. Parties and Policies: How the American Government Works. New Haven: Yale University Press, 2008.
Dyfyniad MLA
Mayhew, David R. Parties and Policies: How the American Government Works. Yale University Press, 2008.
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