Arcilla, C. A. (2010). How the pipeline leak in Makati was found: West tower side story. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Arcilla, Carlo A. "How the Pipeline Leak in Makati Was Found: West Tower Side Story." Philippine Daily Inquirer 2010.
MLA-referens (9:e uppl.)Arcilla, Carlo A. "How the Pipeline Leak in Makati Was Found: West Tower Side Story." Philippine Daily Inquirer, 2010.
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