Sampana, A. (2001). Secretary alvarez takes action against tea rose marble smugglers. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSampana, Art. "Secretary Alvarez Takes Action Against Tea Rose Marble Smugglers." Manila Times 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSampana, Art. "Secretary Alvarez Takes Action Against Tea Rose Marble Smugglers." Manila Times, 2001.
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