Philippines. President (2001- : Arroyo), Philippines. Bureau of Communications Services, & Arroyo, G. M. (2004). SONA updates: As of January 2004. Office of the Press Secretary, Bureau of Communications Services.
Style de citation Chicago (17e éd.)Philippines. President (2001- : Arroyo), Philippines. Bureau of Communications Services, et Gloria Macapagal- Arroyo. SONA Updates: As of January 2004. Manila: Office of the Press Secretary, Bureau of Communications Services, 2004.
Style de citation MLA (9e éd.)Philippines. President (2001- : Arroyo), et al. SONA Updates: As of January 2004. Office of the Press Secretary, Bureau of Communications Services, 2004.
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