Cita APA (7th ed.)
Brauer, F., & Nohel, J. A. (1973). Ordinary differential equations: A first course (2d ed.). W. A. Benjamin.
Cita Chicago (17th ed.)
Brauer, Fred, i John A. Nohel. Ordinary Differential Equations: A First Course. 2d ed. Menlo Park, Calif.: W. A. Benjamin, 1973.
Cita MLA (9th ed.)
Brauer, Fred, i John A. Nohel. Ordinary Differential Equations: A First Course. 2d ed. W. A. Benjamin, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.