Lacuarta, G. G. (2002). Garbage crisis in focus on Earth Day. Philippine Daily Inquirer.
芝加哥风格引文Lacuarta, Gerald G. "Garbage Crisis in Focus on Earth Day." Philippine Daily Inquirer 2002.
MLA引文Lacuarta, Gerald G. "Garbage Crisis in Focus on Earth Day." Philippine Daily Inquirer, 2002.
警告：这些引文格式不一定是100％准确.