APA-referens (7:e uppl.)

Ayres, F. J. (1952). Theory and Problems of Differential Equations. McGraw-Hill.

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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