APA (7e ed.) Bronvermelding

Birkhoff, G., & Rota, G. (1989). Ordinary differential equations (4th ed.). John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Birkhoff, Garrett, en Gian-Carlo Rota. Ordinary Differential Equations. 4th ed. New York: John Wiley & Sons, 1989.

MLA (9e ed.) Bronvermelding

Birkhoff, Garrett, en Gian-Carlo Rota. Ordinary Differential Equations. 4th ed. John Wiley & Sons, 1989.