APA (7th ed.) Zitazioa
Fenno, R. F. (2013). The challenge of congressional representation. Harvard University Press.
Chicago Style (17th ed.) Zitazioa
Fenno, Richard F. The Challenge of Congressional Representation. Cambridge, Mass.: Harvard University Press, 2013.
MLA (9th ed.) Zitazioa
Fenno, Richard F. The Challenge of Congressional Representation. Harvard University Press, 2013.
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