Philippines. Bureau of Secondary Education. Curriculum Development Program, Secondary Education Development program, Philippines. Department of Education, Culture and Sports (DECS), Philippines. New Secondary Education Curriculum (NESC), & Philippines. Secondary Education Development Program (SEDP). (1991). Desired learning competencies: 1989 new secondary education curriculum, Secondary Education Development program. The Bureau.
Chicago Style (17. basım) AtıfPhilippines. Bureau of Secondary Education. Curriculum Development Program, Secondary Education Development program, Culture and Sports (DECS) Philippines. Department of Education, Philippines. New Secondary Education Curriculum (NESC), ve Philippines. Secondary Education Development Program (SEDP). Desired Learning Competencies: 1989 New Secondary Education Curriculum, Secondary Education Development Program. Manila: The Bureau, 1991.
MLA (9th ed.) AtıfPhilippines. Bureau of Secondary Education. Curriculum Development Program, et al. Desired Learning Competencies: 1989 New Secondary Education Curriculum, Secondary Education Development Program. The Bureau, 1991.