APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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