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