Echeminada, P. (1997). Navy officer admits tampering with evidence in Pestaño case. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Echeminada, Perseus. "Navy Officer Admits Tampering with Evidence in Pestaño Case." Philippine Star 1997.
Lua MLA (9ú heag.)Echeminada, Perseus. "Navy Officer Admits Tampering with Evidence in Pestaño Case." Philippine Star, 1997.
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