APA ציטוט

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

Chicago Edition Citation

Simmons, George F. Differential Equations with Applications and Historical Notes. New York: McGraw-Hill, 1972.

ציטוט MLA

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