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).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPhilippines. Department of Environment and Natural Resources এবং Philippines. Forest Management Bureau. Upland Development Program: Family Directory 1980-1995. Quezon City: Forest Management Bureau, Department of Environment and Natural Resources (DENR), 1995.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPhilippines. Department of Environment and Natural Resources এবং Philippines. Forest Management Bureau. Upland Development Program: Family Directory 1980-1995. Forest Management Bureau, Department of Environment and Natural Resources (DENR), 1995.