Vergara, A. Y. (1999). The economics of preserving cultural landmarks. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVergara, Alex Y. "The Economics of Preserving Cultural Landmarks." Philippine Daily Inquirer 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVergara, Alex Y. "The Economics of Preserving Cultural Landmarks." Philippine Daily Inquirer, 1999.
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