Seitel, F. P. (2001). The practice of public relations (8th ed.). Prentice-Hall.
Chicago Style aipamenaSeitel, Fraser P. The Practice of Public Relations. 8th ed. Upper Saddle River, NJ: Prentice-Hall, 2001.
MLA aipamenaSeitel, Fraser P. The Practice of Public Relations. 8th ed. Prentice-Hall, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.