Cita APA (7th ed.)

Sharma, B. D. (1999). Differential Equations (15th ed.). Kedar Nath Ram Nath.

Cita Chicago (17th ed.)

Sharma, Bhu Dev. Differential Equations. 15th ed. Meerut: Kedar Nath Ram Nath, 1999.

Cita MLA (9th ed.)

Sharma, Bhu Dev. Differential Equations. 15th ed. Kedar Nath Ram Nath, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.