Hartman, P. (2002). Ordinary differential equations. Philadelphia: Society for Industrial and Applied Mathematics.
استشهاد بنمط شيكاغوHartman, Philip. Ordinary Differential Equations. Philadelphia: Society for Industrial and Applied Mathematics, 2002.
MLA استشهادHartman, Philip. Ordinary Differential Equations. Philadelphia: Society for Industrial and Applied Mathematics, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.