(1997). Guidelines governing the entry and disposition of imported logs, lumber, veneer, plywood, poles and piles, and pulpwood including wood chips. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Guidelines Governing the Entry and Disposition of Imported Logs, Lumber, Veneer, Plywood, Poles and Piles, and Pulpwood Including Wood Chips." Philippine Star 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Guidelines Governing the Entry and Disposition of Imported Logs, Lumber, Veneer, Plywood, Poles and Piles, and Pulpwood Including Wood Chips." Philippine Star, 1997.
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