Population Center Foundation. Research Utilization Project of Out-of-School Population Education. (1977). Strategies for coordinating population education projects for out-of-school youth. Population Center Foundation.
芝加哥风格引文Population Center Foundation. Research Utilization Project of Out-of-School Population Education. Strategies for Coordinating Population Education Projects for Out-of-school Youth. Makati: Population Center Foundation, 1977.
MLA引文Population Center Foundation. Research Utilization Project of Out-of-School Population Education. Strategies for Coordinating Population Education Projects for Out-of-school Youth. Population Center Foundation, 1977.
警告：这些引文格式不一定是100％准确.