Hubbard, J. H., & West, B. H. (1990). Differential equations: A dynamical systems approach (Corr. 3rd print.). Springer.
استشهاد بنمط شيكاغوHubbard, John H., و Beverly Henderson West. Differential Equations: A Dynamical Systems Approach. Corr. 3rd print. New York: Springer, 1990.
MLA استشهادHubbard, John H., و Beverly Henderson West. Differential Equations: A Dynamical Systems Approach. Corr. 3rd print. Springer, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.