Philippines. Bureau of Elementary Education. Curriculum Development Division. (1987). New elementary school curriculum: Final report NESC. Curriculum Development Division, Bureau of Elementary Education, Department of Education, Culture and Sports.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Bureau of Elementary Education. Curriculum Development Division. New Elementary School Curriculum: Final Report NESC. [Pasig City]: Curriculum Development Division, Bureau of Elementary Education, Department of Education, Culture and Sports, 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Bureau of Elementary Education. Curriculum Development Division. New Elementary School Curriculum: Final Report NESC. Curriculum Development Division, Bureau of Elementary Education, Department of Education, Culture and Sports, 1987.