APA aipamena

Corden, W. M. (1971). The theory of protection. Oxford: Clarendon Press.

Chicago Style aipamena

Corden, W. M. The Theory of Protection. Oxford: Clarendon Press, 1971.

MLA aipamena

Corden, W. M. The Theory of Protection. Oxford: Clarendon Press, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.