Velasco, M. M. (1999). NPC debt swells to $5.7B; privatization plan stalled? Manila Bulletin.
芝加哥风格引文Velasco, Myrna M. "NPC Debt Swells to $5.7B; Privatization Plan Stalled?" Manila Bulletin 1999.
MLA引文Velasco, Myrna M. "NPC Debt Swells to $5.7B; Privatization Plan Stalled?" Manila Bulletin, 1999.
警告：这些引文格式不一定是100％准确.