Kavanagh, D. (1991). The Duffy omnibus. London: Penguin.
Παραπομπή Chicago StyleKavanagh, Dan. The Duffy Omnibus. London: Penguin, 1991.
MLA引文Kavanagh, Dan. The Duffy Omnibus. London: Penguin, 1991.
警告：這些引文格式不一定是100％准確.
APA引文