(1998). The Philippines strategy for watershed resources management. Water Resources Development Project, Department of Environment and Natural Resources.
芝加哥风格引文The Philippines Strategy for Watershed Resources Management. Quezon City: Water Resources Development Project, Department of Environment and Natural Resources, 1998.
MLA引文The Philippines Strategy for Watershed Resources Management. Water Resources Development Project, Department of Environment and Natural Resources, 1998.
警告：这些引文格式不一定是100％准确.