Speech Communication Association & Speech Communication Association. Commission on Freedom of Speech. Free speech yearbook. Speech Communication Association.
Citação do estilo Chicago (17ª ed.)Speech Communication Association e Speech Communication Association. Commission on Freedom of Speech. Free Speech Yearbook. Falls Church, Va.: Speech Communication Association.
Citação MLA (9ª ed.)Speech Communication Association e Speech Communication Association. Commission on Freedom of Speech. Free Speech Yearbook. Speech Communication Association.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.