APA-referens (7:e uppl.)

Não informado. (1949). Carolina highways. Department of Highways and Public Transportation.

Chicago-referens (17:e uppl.)

Não informado. Carolina Highways. Columbia, SC: Department of Highways and Public Transportation, 1949.

MLA-referens (8:e uppl.)

Não informado. Carolina Highways. Department of Highways and Public Transportation, 1949.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.