Söderpalm, E. (1979). Speech errors in normal and pathological speech. LiberLäromedel/Gleerup.
Lua i Stíl Chicago (17ú heag.)Söderpalm, Ewa. Speech Errors in Normal and Pathological Speech. Lund: LiberLäromedel/Gleerup, 1979.
Lua MLA (8ú heag.)Söderpalm, Ewa. Speech Errors in Normal and Pathological Speech. LiberLäromedel/Gleerup, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.