APA ציטוט

Simmons, G. F. (1972). Differential equations with applications and historical notes.

Chicago Edition Citation

Simmons, George F. Differential Equations with Applications and Historical Notes. New Delhi, Tata Mc Graw Hill Publishing Company Ltd, 1972.

ציטוט MLA

Simmons, George F. Differential Equations with Applications and Historical Notes. 1972.