Παραπομπή APA
Ayres, F. J. (1972). Schaum's outline of theory and problems of differential equations in SI metric units. New York: McGraw-Hill.
Παραπομπή Chicago StyleAyres, Frank Jr. Schaum's Outline of Theory and Problems of Differential Equations in SI Metric Units. New York: McGraw-Hill, 1972.
Παραπομπή MLAAyres, Frank Jr. Schaum's Outline of Theory and Problems of Differential Equations in SI Metric Units. New York: McGraw-Hill, 1972.
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