Speech Communication Association & Speech Communication Association. Commission on Freedom of Speech. Free speech yearbook. Speech Communication Association.
Citazione stile Chigago Style (17a edizione)Speech Communication Association e Speech Communication Association. Commission on Freedom of Speech. Free Speech Yearbook. Falls Church, Va.: Speech Communication Association.
Citatione MLA (9a ed.)Speech Communication Association e Speech Communication Association. Commission on Freedom of Speech. Free Speech Yearbook. Speech Communication Association.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.