APA

Ayres F., Ault J. C., . (1972). Schaum's outline of theory and problems of differential equations. New York [u.a.]: McGraw-Hill.

Chicago

Ayres Frank, Ault J C, . 1972. Schaum's outline of theory and problems of differential equations. New York [u.a.]: McGraw-Hill.

Harvard

Ayres F., Ault J. C., . (1972). Schaum's outline of theory and problems of differential equations. New York [u.a.]: McGraw-Hill.

MLA

Ayres Frank, Ault J C, . Schaum's outline of theory and problems of differential equations. New York [u.a.]: McGraw-Hill. 1972.