APA (7th ed.) Zitazioa
ebrary, Inc, Garfinkle, N., & Yankelovich, D. (2005). Uniting America: Restoring the vital center to American democracy. Yale University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Norton Garfinkle, eta Daniel Yankelovich. Uniting America: Restoring the Vital Center to American Democracy. New Haven: Yale University Press, 2005.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Uniting America: Restoring the Vital Center to American Democracy. Yale University Press, 2005.
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