University of the Philippines (Diliman). National Institute for Science and Mathematics Education Developmnet (UP NISMED), Philippines. Department of Science and Technology-Science Education Institute. (DOST-SEI), Philippine Association for the Advancement of Science (PHILAAS), Talisayon, V. M., & Tansinsin, L. G. (2000). Frontiers in science and mathematics for teachers, vol. 1. University of the Philipines National Institute for Science and Mathematics Eduction Development (UP NISMED).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines (Diliman). National Institute for Science and Mathematics Education Developmnet (UP NISMED), Philippines. Department of Science and Technology-Science Education Institute. (DOST-SEI), Philippine Association for the Advancement of Science (PHILAAS), Vivien M. Talisayon, و Lydia G. Tansinsin. Frontiers in Science and Mathematics for Teachers, Vol. 1. Diliman, Quezon City: University of the Philipines National Institute for Science and Mathematics Eduction Development (UP NISMED), 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines (Diliman). National Institute for Science and Mathematics Education Developmnet (UP NISMED), et al. Frontiers in Science and Mathematics for Teachers, Vol. 1. University of the Philipines National Institute for Science and Mathematics Eduction Development (UP NISMED), 2000.