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).
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. Department of Environment and Natural Resources και Philippines. Forest Management Bureau. Upland Development Program: Family Directory 1980-1995. Quezon City: Forest Management Bureau, Department of Environment and Natural Resources (DENR), 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Philippines. Department of Environment and Natural Resources και Philippines. Forest Management Bureau. Upland Development Program: Family Directory 1980-1995. Forest Management Bureau, Department of Environment and Natural Resources (DENR), 1995.