Dyfyniad APA

Posner. What Caused the Financial Crisis. University of Pennsylvania Press.

Dyfyniad Arddull Chicago

Posner. What Caused the Financial Crisis. University of Pennsylvania Press.

Dyfyniad MLA

Posner. What Caused the Financial Crisis. University of Pennsylvania Press.

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