APA ציטוט

Simmons, G. F. (1991). Differential equations with applications and historical notes. New York: McGraw Hill.

Trích dẫn kiểu Chicago

Simmons, George F. Differential Equations With Applications and Historical Notes. New York: McGraw Hill, 1991.

ציטוט MLA

Simmons, George F. Differential Equations With Applications and Historical Notes. New York: McGraw Hill, 1991.