Rayudu, C. (1997). Principles of public relations. Himalaya.
Chicago Style aipamenaRayudu, C. Principles of Public Relations. Mumbai: Himalaya, 1997.
MLA aipamenaRayudu, C. Principles of Public Relations. Himalaya, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.