APA aipamena

Krugman, P. (2009). The return of depression economics and the crisis of 2008. W.W. Norton.

Chicago Style aipamena

Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W.W. Norton, 2009.

MLA aipamena

Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W.W. Norton, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.