Velasco, M. M. PSALM's universal charge collections reach P140 billion. IN Classified Ads. Manila Bulletin.
芝加哥风格引文Velasco, Myrna M. "PSALM's Universal Charge Collections Reach P140 Billion. IN Classified Ads." Manila Bulletin .
MLA引文Velasco, Myrna M. "PSALM's Universal Charge Collections Reach P140 Billion. IN Classified Ads." Manila Bulletin, .
警告：这些引文格式不一定是100％准确.