Williamson, R. E. (1997). Introduction to differential equations and dynamical systems. The McGraw Hill Companies, Inc.
芝加哥风格引文Williamson, Richard E. Introduction to Differential Equations and Dynamical Systems. New York: The McGraw Hill Companies, Inc, 1997.
MLA引文Williamson, Richard E. Introduction to Differential Equations and Dynamical Systems. The McGraw Hill Companies, Inc, 1997.
警告：这些引文格式不一定是100％准确.