APA-viite (7. p.)
Bergmann, B. R., & Bush, J. (2000). Is social security broke?: A cartooon guide to the issues. University of Michigan Press.
Chicago-viite (17. p.)
Bergmann, Barbara R., ja Jim Bush. Is Social Security Broke?: A Cartooon Guide to the Issues. Ann Arbor: University of Michigan Press, 2000.
MLA-viite (9. p.)
Bergmann, Barbara R., ja Jim Bush. Is Social Security Broke?: A Cartooon Guide to the Issues. University of Michigan Press, 2000.
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