Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. (2004). The state of the regional brown environment, 2004. EMB, DENR.
芝加哥风格引文Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. The State of the Regional Brown Environment, 2004. Baguio City: EMB, DENR, 2004.
MLA引文Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. The State of the Regional Brown Environment, 2004. EMB, DENR, 2004.
警告：这些引文格式不一定是100％准确.