Borlongan, F. (1997). Population control measures scrutinized. Manila Bulletin.
芝加哥风格引文Borlongan, F.C. "Population Control Measures Scrutinized." Manila Bulletin 1997.
MLA引文Borlongan, F.C. "Population Control Measures Scrutinized." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.