APA-referens (7:e uppl.)

Birkhoff, G., & Rota, G. (1989). Introduction to ordinary differential equations (4th ed.). Wiley.

Chicago-referens (17:e uppl.)

Birkhoff, Garrett, och Gian-Carlo Rota. Introduction to Ordinary Differential Equations. 4th ed. New York: Wiley, 1989.

MLA-referens (9:e uppl.)

Birkhoff, Garrett, och Gian-Carlo Rota. Introduction to Ordinary Differential Equations. 4th ed. Wiley, 1989.