Le Duc, D. R. (1987). Beyond broadcasting: Patterns in policy and law. Longman.
Chicago Style aipamenaLe Duc, Don R. Beyond Broadcasting: Patterns in Policy and Law. New York: Longman, 1987.
MLA aipamenaLe Duc, Don R. Beyond Broadcasting: Patterns in Policy and Law. Longman, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.