Watson, T. (2014). Evaluating public relations (3rd.). Kogan Page.
Chicago Style aipamenaWatson, Tom. Evaluating Public Relations. 3rd. London: Kogan Page, 2014.
MLA aipamenaWatson, Tom. Evaluating Public Relations. 3rd. Kogan Page, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.