Echeminada, P., & Kua, N. T. (1998). ATO blames CAB for DC-9 detour. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Echeminada, Perseus, agus Nixon T. Kua. "ATO Blames CAB for DC-9 Detour." Philippine Star 1998.
Lua MLA (9ú heag.)Echeminada, Perseus, agus Nixon T. Kua. "ATO Blames CAB for DC-9 Detour." Philippine Star, 1998.
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