Ayres, F. (1952). Schaum's outline of theory and problems of differential equations. Schaum Pub.
芝加哥风格引文Ayres, Frank. Schaum's Outline of Theory and Problems of Differential Equations. New York: Schaum Pub, 1952.
MLA引文Ayres, Frank. Schaum's Outline of Theory and Problems of Differential Equations. Schaum Pub, 1952.
警告：这些引文格式不一定是100％准确.