Alvarez, R. M., & Brehm, J. (2002). Hard choices, easy answers: Values, information, and american public opinion. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlvarez, R. Michael, और John Brehm. Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton: Princeton University Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAlvarez, R. Michael, और John Brehm. Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton University Press, 2002.
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