Castellon, E. (2004). Challenges of modern-day priests. Manila Bulletin.
芝加哥风格引文Castellon, Elizabeth. "Challenges of Modern-day Priests." Manila Bulletin 2004.
MLA引文Castellon, Elizabeth. "Challenges of Modern-day Priests." Manila Bulletin, 2004.
警告：这些引文格式不一定是100％准确.