Não informado. (1994). Functions of Language. John Benjamins Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Functions of Language. Amsterdam: John Benjamins Publishing, 1994.
Lua MLA (8ú heag.)Não informado. Functions of Language. John Benjamins Publishing, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.