Cabreza, V. (1999). Poisoning of Baguio pine trees bared. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCabreza, Vincent. "Poisoning of Baguio Pine Trees Bared." Philippine Daily Inquirer 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCabreza, Vincent. "Poisoning of Baguio Pine Trees Bared." Philippine Daily Inquirer, 1999.
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