توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1997). Guidelines governing the entry and disposition of imported logs, lumber, veneer, plywood, poles and piles, and pulpwood including wood chips. Philippine Star.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"Guidelines Governing the Entry and Disposition of Imported Logs, Lumber, Veneer, Plywood, Poles and Piles, and Pulpwood Including Wood Chips." Philippine Star 1997.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"Guidelines Governing the Entry and Disposition of Imported Logs, Lumber, Veneer, Plywood, Poles and Piles, and Pulpwood Including Wood Chips." Philippine Star, 1997.