Dyfyniad APA

Krugman, P. R. (1999). The return of depression economics (First edition.). W.W. Norton.

Dyfyniad Arddull Chicago

Krugman, Paul R. The Return of Depression Economics. First edition. New York: W.W. Norton, 1999.

Dyfyniad MLA

Krugman, Paul R. The Return of Depression Economics. First edition. W.W. Norton, 1999.

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