Carroll, R., & Viard, A. D. (2012). Progressive consumption taxation: The X tax revisited. AEI Press.
芝加哥风格引文Carroll, Robert, 与 Alan D. Viard. Progressive Consumption Taxation: The X Tax Revisited. Washington, D.C.: AEI Press, 2012.
MLA引文Carroll, Robert, 与 Alan D. Viard. Progressive Consumption Taxation: The X Tax Revisited. AEI Press, 2012.
警告：这些引文格式不一定是100％准确.