Villanueva, A. (2004). RP to negotiate air ties with India, China this year. Manila Bulletin.
Chicago Style (17. basım) AtıfVillanueva, Anne. "RP to Negotiate Air Ties with India, China This Year." Manila Bulletin 2004.
MLA (9th ed.) AtıfVillanueva, Anne. "RP to Negotiate Air Ties with India, China This Year." Manila Bulletin, 2004.
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