Enos, R. L. E. (1990). Oral and written communication: Historical approaches. Sage Publications.
Chicago Style aipamenaEnos, Richard Leo Ed. Oral and Written Communication: Historical Approaches. California: Sage Publications, 1990.
MLA aipamenaEnos, Richard Leo Ed. Oral and Written Communication: Historical Approaches. Sage Publications, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.