De Guzman, E. A. (1976). The value of children: The old people's view. Population Institute, University of the Philippines System.
芝加哥风格引文De Guzman, Eliseo A. The Value of Children: The Old People's View. [Manila]: Population Institute, University of the Philippines System, 1976.
MLA引文De Guzman, Eliseo A. The Value of Children: The Old People's View. Population Institute, University of the Philippines System, 1976.
警告：这些引文格式不一定是100％准确.