Leighton, W. (1976). A First course in ordinary differential equations. Wadsworth Pub. Co.
Cita Chicago Style (17a ed.)Leighton, Walter. A First Course in Ordinary Differential Equations. Belmont: Wadsworth Pub. Co, 1976.
Cita MLA (9a ed.)Leighton, Walter. A First Course in Ordinary Differential Equations. Wadsworth Pub. Co, 1976.
Precaución: Estas citas no son 100% exactas.