Philippines. Department of Education, Culture and Sports. Research and Statistics Division. Office of the Planning Service. (1990). Basic education statistics: SY 1985-1986 to SY 1989-1990. Research and Statistics Division, Office of the Planning Service.
芝加哥风格引文Philippines. Department of Education, Culture and Sports. Research and Statistics Division. Office of the Planning Service. Basic Education Statistics: SY 1985-1986 to SY 1989-1990. Pasig, Metro Manila: Research and Statistics Division, Office of the Planning Service, 1990.
MLA引文Philippines. Department of Education, Culture and Sports. Research and Statistics Division. Office of the Planning Service. Basic Education Statistics: SY 1985-1986 to SY 1989-1990. Research and Statistics Division, Office of the Planning Service, 1990.