Yusuf, A. (2005). Differential Equations. Novera Publications.
Cita Chicago (17th ed.)Yusuf, Abu. Differential Equations. Dhaka: Novera Publications, 2005.
Cita MLA (9th ed.)Yusuf, Abu. Differential Equations. Novera Publications, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.