Ayres, F. (1981). Theory and problems of differential equations in SI metric units. Mcgraw Hill.
استشهاد بنمط شيكاغوAyres, F. Theory and Problems of Differential Equations in SI Metric Units. Singapore: Mcgraw Hill, 1981.
MLA استشهادAyres, F. Theory and Problems of Differential Equations in SI Metric Units. Mcgraw Hill, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.