APA引文

Zill, D. G. (2018). Differential equations with boundary-value problems (9e.). Cengage.

Chicago Style (17th ed.) Citation

Zill, Dennis G. Differential Equations with Boundary-value Problems. 9e. Boston, MA, USA: Cengage, 2018.

MLA引文

Zill, Dennis G. Differential Equations with Boundary-value Problems. 9e. Cengage, 2018.

警告：這些引文格式不一定是100％准確.