Isaac, N. B. (1998). Centennial of Knights of Columbus. Manila Bulletin.
芝加哥风格引文Isaac, Norman B. "Centennial of Knights of Columbus." Manila Bulletin 1998.
MLA引文Isaac, Norman B. "Centennial of Knights of Columbus." Manila Bulletin, 1998.
警告：这些引文格式不一定是100％准确.