APA (7th ed.) Citation

Balce, M. E., & Balce, N. E. (2014). Ang sekreto ng magagarang bula: The secret of fantastic bubbles (50th anniversary edition.). University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED).

Chicago Style (17th ed.) Citation

Balce, Marina E., and Niccolo E. Balce. Ang Sekreto Ng Magagarang Bula: The Secret of Fantastic Bubbles. 50th anniversary edition. Quezon City: University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED), 2014.

MLA (9th ed.) Citation

Balce, Marina E., and Niccolo E. Balce. Ang Sekreto Ng Magagarang Bula: The Secret of Fantastic Bubbles. 50th anniversary edition. University of the Philippines National Institute for Science and Mathematics Education Development (UP NISMED), 2014.