JEFFREY, R. C., & PETERSON, O. (1980). Speech: Atext with adapted readings.-- ed.3. Harper and Row.
Lua i Stíl Chicago (17ú heag.)JEFFREY, Robert C., agus Owen PETERSON. Speech: Atext with Adapted Readings.-- Ed.3. New York: Harper and Row, 1980.
Lua MLA (9ú heag.)JEFFREY, Robert C., agus Owen PETERSON. Speech: Atext with Adapted Readings.-- Ed.3. Harper and Row, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.