Παραπομπή APA

Simmons, G. F. (1974). Differential equations. Tata Mc Graw-Hill.

Παραπομπή Chicago Style

Simmons, George F. Differential Equations. New Delhi: Tata Mc Graw-Hill, 1974.

Παραπομπή MLA

Simmons, George F. Differential Equations. Tata Mc Graw-Hill, 1974.