Evans, G., & Newnham, J. (1998). The Penguin dictionary of international relations. London: Penguin Books.
Trích dẫn kiểu ChicagoEvans, Graham, và Jeffrey Newnham. The Penguin Dictionary of International Relations. London: Penguin Books, 1998.
MLA引文Evans, Graham, và Jeffrey Newnham. The Penguin Dictionary of International Relations. London: Penguin Books, 1998.
警告：這些引文格式不一定是100％准確.