(1997). Sustainable livelihood options for the Philippines: An information kit. Coastal ecosystem. Department of Environment and Natural Resources.
芝加哥风格引文Sustainable Livelihood Options for the Philippines: An Information Kit. Coastal Ecosystem. Diliman, Q.C: Department of Environment and Natural Resources, 1997.
MLA引文Sustainable Livelihood Options for the Philippines: An Information Kit. Coastal Ecosystem. Department of Environment and Natural Resources, 1997.
警告：这些引文格式不一定是100％准确.