Alviar, V. (2021). Preserving beauty, glory of historical watchtowers. IN Heritage structures [column]. Philippine Daily Inquirer.
Chicago-viite (17. p.)Alviar, Vaughn. "Preserving Beauty, Glory of Historical Watchtowers. IN Heritage Structures [column]." Philippine Daily Inquirer 2021.
MLA-viite (9. p.)Alviar, Vaughn. "Preserving Beauty, Glory of Historical Watchtowers. IN Heritage Structures [column]." Philippine Daily Inquirer, 2021.
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