(1997). Guidelines governing the entry and disposition of imported logs, lumber, veneer, plywood, poles and piles, and pulpwood including wood chips. Philippine Star.
Chicago-referens (17:e uppl.)"Guidelines Governing the Entry and Disposition of Imported Logs, Lumber, Veneer, Plywood, Poles and Piles, and Pulpwood Including Wood Chips." Philippine Star 1997.
MLA-referens (9:e uppl.)"Guidelines Governing the Entry and Disposition of Imported Logs, Lumber, Veneer, Plywood, Poles and Piles, and Pulpwood Including Wood Chips." Philippine Star, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.