APA aipamena

Krugman, P. R. (2000). The return of depression economics. London: Penguin.

Chicago Style aipamena

Krugman, Paul R. The Return of Depression Economics. London: Penguin, 2000.

MLA aipamena

Krugman, Paul R. The Return of Depression Economics. London: Penguin, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.