Speech Foundation of America. (1978). Stuttering: An account of intensive demonstration therapy. Speech Foundation of America.
Lua i Stíl Chicago (17ú heag.)Speech Foundation of America. Stuttering: An Account of Intensive Demonstration Therapy. Memphis, TN: Speech Foundation of America, 1978.
Lua MLA (9ú heag.)Speech Foundation of America. Stuttering: An Account of Intensive Demonstration Therapy. Speech Foundation of America, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.