(2000). Providing free non - formal education for out - of - school youth and adults: The Non - formal Education Accreditation and Equivalency System. Philippine Star.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)"Providing Free Non - Formal Education for Out - of - School Youth and Adults: The Non - Formal Education Accreditation and Equivalency System." Philippine Star 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)"Providing Free Non - Formal Education for Out - of - School Youth and Adults: The Non - Formal Education Accreditation and Equivalency System." Philippine Star, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.