توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Philippines. Department of Tourism. National Ecotourism Steering Committee Ecotourism Technical Working Group. (2014). National ecotourism strategy 2013-2022. Department of Tourism.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Philippines. Department of Tourism. National Ecotourism Steering Committee Ecotourism Technical Working Group. National Ecotourism Strategy 2013-2022. [Manila]: Department of Tourism, 2014.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Philippines. Department of Tourism. National Ecotourism Steering Committee Ecotourism Technical Working Group. National Ecotourism Strategy 2013-2022. Department of Tourism, 2014.