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Dyfyniad Arddull Chicago"Registered Live Births in the Philippines: 1997." NSO Monthly Bulletin Statistics 1999.
Dyfyniad MLA"Registered Live Births in the Philippines: 1997." NSO Monthly Bulletin Statistics, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.