APA

Ayres F., . (1952). Schaum's outline of theory and problems of differential equations. New York: McGraw Hill.

Chicago

Ayres Frank, . 1952. Schaum's outline of theory and problems of differential equations. New York: McGraw Hill.

Harvard

Ayres F., . (1952). Schaum's outline of theory and problems of differential equations. New York: McGraw Hill.

MLA

Ayres Frank, . Schaum's outline of theory and problems of differential equations. New York: McGraw Hill. 1952.