Castellon, E. (2004). Challenges of modern-day priests. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Castellon, Elizabeth. "Challenges of Modern-day Priests." Manila Bulletin 2004.
Lua MLA (9ú heag.)Castellon, Elizabeth. "Challenges of Modern-day Priests." Manila Bulletin, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.