APA استشهاد

Simmons, G. F. (1989). Differential equations with applications and historical notes.

استشهاد بنمط شيكاغو

Simmons, George F. Differential Equations with Applications and Historical Notes. TATA McGraw-Hill Publishing Co., New Delhi, 1989.

MLA استشهاد

Simmons, George F. Differential Equations with Applications and Historical Notes. 1989.