Krugman, P. (2009). The return of depression economics and the crisis of 2008. W. W. Norton & Company.
Chicago-čujuhus (17. p.)Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. New York: W. W. Norton & Company, 2009.
MLA-čujuhus (9. p.)Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W. W. Norton & Company, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.