Chatterji, P. (1989). Differential equations. Rajhans.
Cita Chicago Style (17a ed.)Chatterji, P.N. Differential Equations. Meerut: Rajhans, 1989.
Cita MLA (9a ed.)Chatterji, P.N. Differential Equations. Rajhans, 1989.
Precaución: Estas citas no son 100% exactas.