Dunning, J. H. (1972). International investment. London: Penguin Books.
Trích dẫn kiểu ChicagoDunning, John H. International Investment. London: Penguin Books, 1972.
MLA引文Dunning, John H. International Investment. London: Penguin Books, 1972.
警告：這些引文格式不一定是100％准確.