APA (7e ed.) Bronvermelding

Perko, L. (1996). Differential equations and dynamical systems (2nd ed.). Springer.

Chicago (17e ed.) Bronvermelding

Perko, Lawrence. Differential Equations and Dynamical Systems. 2nd ed. New York: Springer, 1996.

MLA (9e ed.) Bronvermelding

Perko, Lawrence. Differential Equations and Dynamical Systems. 2nd ed. Springer, 1996.