JEFFREY, R. C., & PETERSON, O. (1980). Speech: Atext with adapted readings.-- ed.3. Harper and Row.
Chicago Style aipamenaJEFFREY, Robert C., and Owen PETERSON. Speech: Atext with Adapted Readings.-- Ed.3. New York: Harper and Row, 1980.
MLA aipamenaJEFFREY, Robert C., and Owen PETERSON. Speech: Atext with Adapted Readings.-- Ed.3. Harper and Row, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.