Valencia, L. (2002). Rail system key to solving transport woes. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रValencia, Lynda. "Rail System Key to Solving Transport Woes." Manila Times 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रValencia, Lynda. "Rail System Key to Solving Transport Woes." Manila Times, 2002.
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