Valencia, L. B. (2000). Manila-to-Clark Railway link: Obuchi loan will jumstart P2.5B North Rail project. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Valencia, Lynda B. "Manila-to-Clark Railway Link: Obuchi Loan Will Jumstart P2.5B North Rail Project." Manila Bulletin 2000.
Lua MLA (9ú heag.)Valencia, Lynda B. "Manila-to-Clark Railway Link: Obuchi Loan Will Jumstart P2.5B North Rail Project." Manila Bulletin, 2000.
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