Keedy, M. L. (1964). Exploring modern mathematics. California State Dept.
芝加哥风格引文Keedy, Marvin L. Exploring Modern Mathematics. Sacramento, Calif: California State Dept, 1964.
MLA引文Keedy, Marvin L. Exploring Modern Mathematics. California State Dept, 1964.
警告：这些引文格式不一定是100％准确.