Bergmann, B. R., & Bush, J. (2000). Is social security broke?: A cartooon guide to the issues. University of Michigan Press.
芝加哥风格引文Bergmann, Barbara R., 与 Jim Bush. Is Social Security Broke?: A Cartooon Guide to the Issues. Ann Arbor: University of Michigan Press, 2000.
MLA引文Bergmann, Barbara R., 与 Jim Bush. Is Social Security Broke?: A Cartooon Guide to the Issues. University of Michigan Press, 2000.
警告：这些引文格式不一定是100％准确.