Alvarez, R. M., & Brehm, J. (2002). Hard choices, easy answers: Values, information, and american public opinion. Princeton University Press.
芝加哥风格引文Alvarez, R. Michael, 与 John Brehm. Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton: Princeton University Press, 2002.
MLA引文Alvarez, R. Michael, 与 John Brehm. Hard Choices, Easy Answers: Values, Information, and American Public Opinion. Princeton University Press, 2002.
警告：这些引文格式不一定是100％准确.