Lacuarta, G. G. (2002). Garbage crisis in focus on Earth Day. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLacuarta, Gerald G. "Garbage Crisis in Focus on Earth Day." Philippine Daily Inquirer 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLacuarta, Gerald G. "Garbage Crisis in Focus on Earth Day." Philippine Daily Inquirer, 2002.
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