Crawford, N. A. (1969). The ethics of journalism. Greenwood press.
Chicago Style aipamenaCrawford, Nelson Antrim. The Ethics of Journalism. New York: Greenwood press, 1969.
MLA aipamenaCrawford, Nelson Antrim. The Ethics of Journalism. Greenwood press, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.