Villanueva, M. A. (1998). Adaza is new BID chief. Philippine Star.
Chicago Style aipamenaVillanueva, Marichu A. "Adaza Is New BID Chief." Philippine Star 1998.
MLA aipamenaVillanueva, Marichu A. "Adaza Is New BID Chief." Philippine Star, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.