Sy, M. (2010). Senate okays bill on mandatory hepa-B shots for newborns. Philippine Star.
芝加哥风格引文Sy, Marvin. "Senate Okays Bill on Mandatory Hepa-B Shots for Newborns." Philippine Star 2010.
MLA引文Sy, Marvin. "Senate Okays Bill on Mandatory Hepa-B Shots for Newborns." Philippine Star, 2010.
警告：这些引文格式不一定是100％准确.