Sayson, M. L. (1998). Illegal trade in wildlife done through Internet. Manila Chronicle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSayson, Malou L. "Illegal Trade in Wildlife Done Through Internet." Manila Chronicle 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSayson, Malou L. "Illegal Trade in Wildlife Done Through Internet." Manila Chronicle, 1998.
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