Παραπομπή σε μορφή APA (7η εκδ.)

Williamson, R. E. (2001). Introduction to differential equations and dynamical systems (2nd ed.). The McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Williamson, Richard E. Introduction to Differential Equations and Dynamical Systems. 2nd ed. Boston: The McGraw-Hill, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Williamson, Richard E. Introduction to Differential Equations and Dynamical Systems. 2nd ed. The McGraw-Hill, 2001.