Gerken, H. K. (2009). The democracy index: Why our election system is failing and how to fix it. Princeton University Press.
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Chicago Style (17th ed.) Zitazioa
Gerken, Heather K. The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton: Princeton University Press, 2009.
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MLA (9th ed.) Zitazioa
Gerken, Heather K. The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton University Press, 2009.
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