Cita APA (7a ed.)
Perko, L. (2001). Differential equations and dynamical systems (3rd ed.). Springer.
Cita Chicago Style (17a ed.)
Perko, Lawrence. Differential Equations and Dynamical Systems. 3rd ed. New Delhi: Springer, 2001.
Cita MLA (9a ed.)
Perko, Lawrence. Differential Equations and Dynamical Systems. 3rd ed. Springer, 2001.
Precaución: Estas citas no son 100% exactas.