Sampana, A. (2000). Lead found in Bulacan mayor slay. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSampana, Art. "Lead Found in Bulacan Mayor Slay." Manila Times 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSampana, Art. "Lead Found in Bulacan Mayor Slay." Manila Times, 2000.
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