Thurow, L. C. (1981). The Zero-Sum society. New York: Penguin Books.
Trích dẫn kiểu ChicagoThurow, Lester C. The Zero-Sum Society. New York: Penguin Books, 1981.
MLA引文Thurow, Lester C. The Zero-Sum Society. New York: Penguin Books, 1981.
警告：这些引文格式不一定是100％准确.