(2004). Freedom of speech. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoFreedom of Speech. Cambridge: Cambridge University Press, 2004.
Deismireacht MLAFreedom of Speech. Cambridge: Cambridge University Press, 2004.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.