(2001). Pronucation plus Class Audio CDs. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoPronucation Plus Class Audio CDs. Cambridge: Cambridge University Press, 2001.
MLA citiranjePronucation Plus Class Audio CDs. Cambridge: Cambridge University Press, 2001.
Opozorilo: Ti citati niso vedno 100% točni.