APA (7th ed.) Zitazioa

Irwin. Peddling Protectionism. Princeton University Press.

Chicago Style (17th ed.) Zitazioa

Irwin. Peddling Protectionism. Princeton University Press.

MLA (9th ed.) Zitazioa

Irwin. Peddling Protectionism. Princeton University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.