Gica, I. T. (1999). National ID system is really no big deal. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Gica, Ivar T. "National ID System Is Really No Big Deal." Manila Bulletin 1999.
Lua MLA (9ú heag.)Gica, Ivar T. "National ID System Is Really No Big Deal." Manila Bulletin, 1999.
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