Philippines. Department of Environment and Natural Resources & United Nations. Food and Agriculture Organization. (1995). The new DENR records management system: Basic techniques and procedures. DENR.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Department of Environment and Natural Resources و United Nations. Food and Agriculture Organization. The New DENR Records Management System: Basic Techniques and Procedures. Quezon City: DENR, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Department of Environment and Natural Resources و United Nations. Food and Agriculture Organization. The New DENR Records Management System: Basic Techniques and Procedures. DENR, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.