Intal, P. S. (1989). Population, welfare, and rural development. Population/Development Planning and Research Project, National Economic and Development Authority.
芝加哥风格引文Intal, Ponciano S. Population, Welfare, and Rural Development. [Manila]: Population/Development Planning and Research Project, National Economic and Development Authority, 1989.
MLA引文Intal, Ponciano S. Population, Welfare, and Rural Development. Population/Development Planning and Research Project, National Economic and Development Authority, 1989.
警告：这些引文格式不一定是100％准确.