Philippines. Department of Education, Culture and Sports. Bureau of Secondary Education. (1993). Manual of information on secondary education. BEE, Staff Development Division.
Chicago-referens (17:e uppl.)Philippines. Department of Education, Culture and Sports. Bureau of Secondary Education. Manual of Information on Secondary Education. Pasig, M.M: BEE, Staff Development Division, 1993.
MLA-referens (9:e uppl.)Philippines. Department of Education, Culture and Sports. Bureau of Secondary Education. Manual of Information on Secondary Education. BEE, Staff Development Division, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.