APA-referens (7:e uppl.)

Mathews, J. M. (1927). Essentials of American government. Ginn.

Chicago-referens (17:e uppl.)

Mathews, John Mabry. Essentials of American Government. Boston: Ginn, 1927.

MLA-referens (8:e uppl.)

Mathews, John Mabry. Essentials of American Government. Ginn, 1927.