Martin, S. (2002). Angara bill designed to make UP no. 1 again. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMartin, Sammy. "Angara Bill Designed to Make UP No. 1 Again." Manila Times 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMartin, Sammy. "Angara Bill Designed to Make UP No. 1 Again." Manila Times, 2002.
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