Dyfyniad APA

Berlin, I. (1969). Four essays on liberty. Oxford University Press.

Dyfyniad Arddull Chicago

Berlin, Isaiah. Four Essays on Liberty. London: Oxford University Press, 1969.

Dyfyniad MLA

Berlin, Isaiah. Four Essays on Liberty. Oxford University Press, 1969.

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