Posner. What Caused the Financial Crisis. University of Pennsylvania Press.
Chicago-čujuhus (17. p.)Posner. What Caused the Financial Crisis. University of Pennsylvania Press.
MLA-čujuhus (9. p.)Posner. What Caused the Financial Crisis. University of Pennsylvania Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.