Sharma, B. D. (1999). Differential equations. Kedar Nath Ram Nath.
Cita Chicago Style (17a ed.)Sharma, Bhu Dev. Differential Equations. New Delhi: Kedar Nath Ram Nath, 1999.
Cita MLA (8a ed.)Sharma, Bhu Dev. Differential Equations. Kedar Nath Ram Nath, 1999.
Precaución: Estas citas no son 100% exactas.