Klamkin, M. S. (1988). U.S.A. Mathematical Olympiads, 1972-1986. Mathematical Association of America.
芝加哥风格引文Klamkin, Murray S. U.S.A. Mathematical Olympiads, 1972-1986. Washington, DC: Mathematical Association of America, 1988.
MLA引文Klamkin, Murray S. U.S.A. Mathematical Olympiads, 1972-1986. Mathematical Association of America, 1988.
警告：这些引文格式不一定是100％准确.