Yap, E. ". H. Toward Metro Manila's new age in public transportation. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYap, Eduard "Eddie" H. "Toward Metro Manila's New Age in Public Transportation." Philippine Daily Inquirer .
एमएलए (9वां संस्करण) प्रशस्ति पत्रYap, Eduard "Eddie" H. "Toward Metro Manila's New Age in Public Transportation." Philippine Daily Inquirer, .
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