Vergara, A. Y. (1999). The economics of preserving cultural landmarks. Philippine Daily Inquirer.
Chicago-viite (17. p.)Vergara, Alex Y. "The Economics of Preserving Cultural Landmarks." Philippine Daily Inquirer 1999.
MLA-viite (9. p.)Vergara, Alex Y. "The Economics of Preserving Cultural Landmarks." Philippine Daily Inquirer, 1999.
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