Philippines. Department of Education, Culture and Sports. Bureau of Secondary Education. (1993). Manual of information on secondary education. BEE, Staff Development Division.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Department of Education, Culture and Sports. Bureau of Secondary Education. Manual of Information on Secondary Education. BEE, Staff Development Division, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.