Buco, G. U., & De Pio, S. A. (2014). Sum: Teeth tales (50th anniversary edition.). University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED).
Chicago Style (17th ed.) CitationBuco, Gerald U., and Simkin Angelo De Pio. Sum: Teeth Tales. 50th anniversary edition. Quezon City: University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED), 2014.
MLA (9th ed.) CitationBuco, Gerald U., and Simkin Angelo De Pio. Sum: Teeth Tales. 50th anniversary edition. University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED), 2014.
Warning: These citations may not always be 100% accurate.