Elicaño, T. A. (1997). Cancer: Yesterday, today and tomorrow. Manila Bulletin.
芝加哥风格引文Elicaño, Tranquilino A. "Cancer: Yesterday, Today and Tomorrow." Manila Bulletin 1997.
MLA引文Elicaño, Tranquilino A. "Cancer: Yesterday, Today and Tomorrow." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.