Speech Communication Association & Speech Communication Association. Commission on Freedom of Speech. Free speech yearbook. Speech Communication Association.
Chicago-referens (17:e uppl.)Speech Communication Association och Speech Communication Association. Commission on Freedom of Speech. Free Speech Yearbook. Falls Church, Va.: Speech Communication Association.
MLA-referens (9:e uppl.)Speech Communication Association och Speech Communication Association. Commission on Freedom of Speech. Free Speech Yearbook. Speech Communication Association.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.