National Association of Secretaries of State (U.S.). (1987). National Association of Secretaries of State handbook. The Association.
Chicago-referens (17:e uppl.)National Association of Secretaries of State (U.S.). National Association of Secretaries of State Handbook. [United States]: The Association, 1987.
MLA-referens (8:e uppl.)National Association of Secretaries of State (U.S.). National Association of Secretaries of State Handbook. The Association, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.