APA aipamena

Barendt, E. (2005). Freedom of speech (ed.2.). Oxford University Press.

Chicago Style aipamena

Barendt, Eric. Freedom of Speech. ed.2. new Delhi: Oxford University Press, 2005.

MLA aipamena

Barendt, Eric. Freedom of Speech. ed.2. Oxford University Press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.