Asia Pacific Physics Teachers and Educators Association (AAPTEA) & Philippine Association of Physics Teachers (PAPT). (1994). Physics education for Philippine 2000.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Asia Pacific Physics Teachers and Educators Association (AAPTEA) و Philippine Association of Physics Teachers (PAPT). Physics Education for Philippine 2000. Asia Pacific Physics Teachers and Educators Association (AAPTEA) Philippine Chapter and Philippine Association of Physics Teachers (PAPT), 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Asia Pacific Physics Teachers and Educators Association (AAPTEA) و Philippine Association of Physics Teachers (PAPT). Physics Education for Philippine 2000. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.