Crisostomo, I. T. (2002). The president as salesperson and manager. Manila Bulletin.
芝加哥风格引文Crisostomo, Isabelo T. "The President as Salesperson and Manager." Manila Bulletin 2002.
MLA引文Crisostomo, Isabelo T. "The President as Salesperson and Manager." Manila Bulletin, 2002.
警告：这些引文格式不一定是100％准确.