APA (7th ed.) Zitazioa
Campbell, J. E. (1997). The presidential pulse of congressional elections (Second edition.). The University Press of Kentucky.
Chicago Style (17th ed.) Zitazioa
Campbell, James E. The Presidential Pulse of Congressional Elections. Second edition. Lexington, Kentucky: The University Press of Kentucky, 1997.
MLA (9th ed.) Zitazioa
Campbell, James E. The Presidential Pulse of Congressional Elections. Second edition. The University Press of Kentucky, 1997.
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