एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Birkhoff, Garrett, और Gian-Carlo Rota. Ordinary Differential Equations. 4th ed. Singapore: Wiley, 1989.

एमएलए उद्धरण

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