Cita APA (7th ed.)
Sharma, B. D. (1999). Differential equations. Kedar Nath Ram Nath.
Cita Chicago (17th ed.)
Sharma, Bhu Dev. Differential Equations. New Delhi: Kedar Nath Ram Nath, 1999.
Cita MLA (9th ed.)
Sharma, Bhu Dev. Differential Equations. Kedar Nath Ram Nath, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.