Calalo, A. (2012). Hundreds of Navotas City Hall employees participate in quake drill. Daily Tribune.
Chicago-čujuhus (17. p.)Calalo, Arlie. "Hundreds of Navotas City Hall Employees Participate in Quake Drill." Daily Tribune 2012.
MLA-čujuhus (9. p.)Calalo, Arlie. "Hundreds of Navotas City Hall Employees Participate in Quake Drill." Daily Tribune, 2012.
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