APA (7th ed.) Zitazioa
International Video Competition on AIDS. (1997). Blowing bubbles: International video competition on AIDS : 1999, 7. edizione. s.n..
Chicago Style (17th ed.) Zitazioa
International Video Competition on AIDS. Blowing Bubbles: International Video Competition on AIDS : 1999, 7. Edizione. [S.l.: s.n., 1997.
MLA (9th ed.) Zitazioa
International Video Competition on AIDS. Blowing Bubbles: International Video Competition on AIDS : 1999, 7. Edizione. s.n., 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.