(1999). Registered live births in the Philippines: 1997. NSO Monthly Bulletin Statistics.
Chicagoスタイル(17版)引用形式"Registered Live Births in the Philippines: 1997." NSO Monthly Bulletin Statistics 1999.
MLA(9版)引用形式"Registered Live Births in the Philippines: 1997." NSO Monthly Bulletin Statistics, 1999.
警告: この引用は必ずしも正確ではありません.