Villa, R. L. (1997). Bill hiking agrarian reform fund certified. Manila Bulletin.
芝加哥风格引文Villa, Rod L. "Bill Hiking Agrarian Reform Fund Certified." Manila Bulletin 1997.
MLA引文Villa, Rod L. "Bill Hiking Agrarian Reform Fund Certified." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.