(1995). Hearing and older people.
Lua i Stíl Chicago (17ú heag.)Hearing and Older People. 1995.
Lua MLA (9ú heag.)Hearing and Older People. 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)