Alejandro, E. (1997). Powerful earthquake jolts Mindanao. Manila Chronicle.
芝加哥风格引文Alejandro, Edith. "Powerful Earthquake Jolts Mindanao." Manila Chronicle 1997.
MLA引文Alejandro, Edith. "Powerful Earthquake Jolts Mindanao." Manila Chronicle, 1997.
警告：这些引文格式不一定是100％准确.