Herrera, T. (1997). PEMAP: Promoting global excellence in the courier industry. Manila Bulletin.
芝加哥风格引文Herrera, Tetchie. "PEMAP: Promoting Global Excellence in the Courier Industry." Manila Bulletin 1997.
MLA引文Herrera, Tetchie. "PEMAP: Promoting Global Excellence in the Courier Industry." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.