Pacheco, E. S., Pabellon, J. L., & Hernandez, D. F. (1983). Innovations in science teaching in the University of the Philippines System. UP Institute for Science and Mathematics Education Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pacheco, Edgardo S., Josefina Ll Pabellon, و Dolores F. Hernandez. Innovations in Science Teaching in the University of the Philippines System. Quezon City: UP Institute for Science and Mathematics Education Development, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pacheco, Edgardo S., et al. Innovations in Science Teaching in the University of the Philippines System. UP Institute for Science and Mathematics Education Development, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.