(2000). Registered live births in the Philippines: 1997. NSO Special Release.
芝加哥风格引文"Registered Live Births in the Philippines: 1997." NSO Special Release 2000.
MLA引文"Registered Live Births in the Philippines: 1997." NSO Special Release, 2000.
警告：这些引文格式不一定是100％准确.