Geron, M. P. S. (1995). Integrating the population dimension in environmental planning: User's manual. Integrated Population and Development Planning Project, National Economic and Development Authority.
芝加哥风格引文Geron, Ma. Piedad S. Integrating the Population Dimension in Environmental Planning: User's Manual. [Manila]: Integrated Population and Development Planning Project, National Economic and Development Authority, 1995.
MLA引文Geron, Ma. Piedad S. Integrating the Population Dimension in Environmental Planning: User's Manual. Integrated Population and Development Planning Project, National Economic and Development Authority, 1995.
警告：这些引文格式不一定是100％准确.