Cita APA (7th ed.)

Perko, L. (2001). Differential equations and dynamical systems (Third edition.). Springer.

Cita Chicago (17th ed.)

Perko, Lawrence. Differential Equations and Dynamical Systems. Third edition. New York, USA: Springer, 2001.

Cita MLA (9th ed.)

Perko, Lawrence. Differential Equations and Dynamical Systems. Third edition. Springer, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.