Philippines. Department of Education, Culture and Sports. (1991). Philippine education indicators, 1965-1985. Interdocumentation Company.
Chicago-referens (17:e uppl.)Philippines. Department of Education, Culture and Sports. Philippine Education Indicators, 1965-1985. Leiden, The Netherlands: Interdocumentation Company, 1991.
MLA-referens (9:e uppl.)Philippines. Department of Education, Culture and Sports. Philippine Education Indicators, 1965-1985. Interdocumentation Company, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.