Philippines. Department of Environment and Natural Resources & Philippines. Forest Management Bureau. (1995). Upland development program: Family directory 1980-1995. Forest Management Bureau, Department of Environment and Natural Resources (DENR).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Department of Environment and Natural Resources و Philippines. Forest Management Bureau. Upland Development Program: Family Directory 1980-1995. Quezon City: Forest Management Bureau, Department of Environment and Natural Resources (DENR), 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Department of Environment and Natural Resources و Philippines. Forest Management Bureau. Upland Development Program: Family Directory 1980-1995. Forest Management Bureau, Department of Environment and Natural Resources (DENR), 1995.