Guingona, T. J. (2001). It's time for dual citizenship - Veep. Philippine Daily Inquirer.
芝加哥风格引文Guingona, Teofisto Jr. "It's Time for Dual Citizenship - Veep." Philippine Daily Inquirer 2001.
MLA引文Guingona, Teofisto Jr. "It's Time for Dual Citizenship - Veep." Philippine Daily Inquirer, 2001.
警告：这些引文格式不一定是100％准确.