Casayuran, M. B. (1997). Senate hosts Estrada. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Casayuran, Mario B. "Senate Hosts Estrada." Manila Bulletin 1997.
Lua MLA (9ú heag.)Casayuran, Mario B. "Senate Hosts Estrada." Manila Bulletin, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.