APA
Philippines. Department of Education Culture and Sports. Bureau of Secondary Education, . (1993). Directory of secondary schools. Pasig: Bureau of Secondary Education, Staff Development Division.
Chicago
Philippines. Department of Education Culture and Sports. Bureau of Secondary Education, . 1993. Directory of secondary schools. Pasig: Bureau of Secondary Education, Staff Development Division.
Harvard
Philippines. Department of Education Culture and Sports. Bureau of Secondary Education, . (1993). Directory of secondary schools. Pasig: Bureau of Secondary Education, Staff Development Division.
MLA
Philippines. Department of Education Culture and Sports. Bureau of Secondary Education, . Directory of secondary schools. Pasig: Bureau of Secondary Education, Staff Development Division. 1993.
