ZILL, D. G. A first courses in differential equations with applications. Prindle.
芝加哥风格引文ZILL, Dennis G. A First Courses in Differential Equations with Applications. Boston: Prindle.
MLA引文ZILL, Dennis G. A First Courses in Differential Equations with Applications. Prindle.
警告：这些引文格式不一定是100％准确.