Calica, M. A. L. (2008). Tax exemption bill hurdle Senate. Philippine Star.
芝加哥风格引文Calica, Ma. Aurea L. "Tax Exemption Bill Hurdle Senate." Philippine Star 2008.
MLA引文Calica, Ma. Aurea L. "Tax Exemption Bill Hurdle Senate." Philippine Star, 2008.
警告：这些引文格式不一定是100％准确.