Delli Carpini, M. X., & Keeter, S. (1989). What Americans know about politics and why it matters. Yale University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDelli Carpini, Michael X., और Scott Keeter. What Americans Know About Politics and Why It Matters. Yale University Press, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDelli Carpini, Michael X., और Scott Keeter. What Americans Know About Politics and Why It Matters. Yale University Press, 1989.
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