APA استشهاد

Ayres,Frank. (1952). Theory and problems of differential equations. McGraw-Hill.

استشهاد بنمط شيكاغو

Ayres,Frank. Theory and Problems of Differential Equations. New york: McGraw-Hill, 1952.

MLA استشهاد

Ayres,Frank. Theory and Problems of Differential Equations. McGraw-Hill, 1952.