University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. (1983). Innovations in science teaching. Institute for Science and Mathematics Education Development, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. Innovations in Science Teaching. Quezon City: Institute for Science and Mathematics Education Development, University of the Philippines, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. Innovations in Science Teaching. Institute for Science and Mathematics Education Development, University of the Philippines, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.