Calica, A. (2010). Senate ratifies bill on EVAT exemption for senior citizens. Kilosbayan.
芝加哥风格引文Calica, Aurea. "Senate Ratifies Bill on EVAT Exemption for Senior Citizens." Kilosbayan 2010.
MLA引文Calica, Aurea. "Senate Ratifies Bill on EVAT Exemption for Senior Citizens." Kilosbayan, 2010.
警告：这些引文格式不一定是100％准确.