APA-referens (7:e uppl.)

Cooley, J. C. (1949). A primer of formal logic. The Macmillan company.

Chicago-referens (17:e uppl.)

Cooley, John Cleveland. A Primer of Formal Logic. New York: The Macmillan company, 1949.

MLA-referens (9:e uppl.)

Cooley, John Cleveland. A Primer of Formal Logic. The Macmillan company, 1949.