Dyfyniad APA
Campbell, J. E. (1997). The presidential pulse of congressional elections (Second edition.). The University Press of Kentucky.
Dyfyniad Arddull Chicago
Campbell, James E. The Presidential Pulse of Congressional Elections. Second edition. Lexington, Kentucky: The University Press of Kentucky, 1997.
Dyfyniad MLA
Campbell, James E. The Presidential Pulse of Congressional Elections. Second edition. The University Press of Kentucky, 1997.
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