Dyfyniad APA

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

Dyfyniad Arddull Chicago

Barendt, Eric. Freedom of Speech. 2nd ed. xxxviii, 526p: Oxford University Press, 2005.

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.