Doronila, A. (1998). Estrada's first 50 days wracked by gov't feuds. Philippine Daily Inquirer.
芝加哥风格引文Doronila, Amando. "Estrada's First 50 Days Wracked by Gov't Feuds." Philippine Daily Inquirer 1998.
MLA引文Doronila, Amando. "Estrada's First 50 Days Wracked by Gov't Feuds." Philippine Daily Inquirer, 1998.
警告：这些引文格式不一定是100％准确.