Villareal, I. (1999). A journey towards lasting peace. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Villareal, Ismael. "A Journey Towards Lasting Peace." Manila Bulletin 1999.
Lua MLA (9ú heag.)Villareal, Ismael. "A Journey Towards Lasting Peace." Manila Bulletin, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.