Talisayon, V., & de Pio, S. A. (2014). Is the pinatubo God angry? = Galit ba ang Diyos ng pinatubo?: Simkin Angelo S. de Pio. University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED).
芝加哥风格引文Talisayon, Vivien, 与 Simkin Angelo de Pio. Is the Pinatubo God Angry? = Galit Ba Ang Diyos Ng Pinatubo?: Simkin Angelo S. De Pio. Quezon City: University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED), 2014.
MLA引文Talisayon, Vivien, 与 Simkin Angelo de Pio. Is the Pinatubo God Angry? = Galit Ba Ang Diyos Ng Pinatubo?: Simkin Angelo S. De Pio. University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED), 2014.