Belena, A. P. (2010). Philippines submits RKC accession documents to WCO. Manila Bulletin.
Chicago Style aipamenaBelena, Abe P. "Philippines Submits RKC Accession Documents to WCO." Manila Bulletin 2010.
MLA aipamenaBelena, Abe P. "Philippines Submits RKC Accession Documents to WCO." Manila Bulletin, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.