Gopal, A. S. (1995). Public relations for a better world. Har-anand Publications.
Chicago Style aipamenaGopal, Ajit S. Public Relations for a Better World. New Delhi: Har-anand Publications, 1995.
MLA aipamenaGopal, Ajit S. Public Relations for a Better World. Har-anand Publications, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.