APA (7e ed.) Bronvermelding

Nagle, R., & Saff, E. (2000). Fundamentals of diffential equations (5th.ed.). Addison-Wesley.

Chicago (17e ed.) Bronvermelding

Nagle, R.Kent, en E.B,.1944- Saff. Fundamentals of Diffential Equations. 5th.ed. Massachusetts: Addison-Wesley, 2000.

MLA (9e ed.) Bronvermelding

Nagle, R.Kent, en E.B,.1944- Saff. Fundamentals of Diffential Equations. 5th.ed. Addison-Wesley, 2000.