Dyfyniad APA

Bergmann, B. R., & Bush, J. (2000). Is social security broke?: A cartooon guide to the issues. University of Michigan Press.

Dyfyniad Arddull Chicago

Bergmann, Barbara R., and Jim Bush. Is Social Security Broke?: A Cartooon Guide to the Issues. Ann Arbor: University of Michigan Press, 2000.

Dyfyniad MLA

Bergmann, Barbara R., and Jim Bush. Is Social Security Broke?: A Cartooon Guide to the Issues. University of Michigan Press, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.