Balan, K., & Rayudu, C. (1994). Public relations in action. Beacon Books.
Chicago Style (17th ed.) ZitazioaBalan, K.R, eta C.S Rayudu. Public Relations in Action. New Delhi: Beacon Books, 1994.
MLA (9th ed.) ZitazioaBalan, K.R, eta C.S Rayudu. Public Relations in Action. Beacon Books, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.