Ayres, F. (1981). Schaums outline of theory and problems of differential equations in SI metric units. McGraw-Hill.
Dyfyniad Arddull ChicagoAyres, Frank. Schaums Outline of Theory and Problems of Differential Equations in SI Metric Units. New Delhi: McGraw-Hill, 1981.
Dyfyniad MLAAyres, Frank. Schaums Outline of Theory and Problems of Differential Equations in SI Metric Units. McGraw-Hill, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.