University of the Philippines Diliman. National Institute for Science and Mathematics Education Development. The Physics Education Workgroup Writing Team. (2002). Practical work in high school physics: A sourcebook for teachers. UP NISMED.
Lua i Stíl Chicago (17ú heag.)University of the Philippines Diliman. National Institute for Science and Mathematics Education Development. The Physics Education Workgroup Writing Team. Practical Work in High School Physics: A Sourcebook for Teachers. Diliman, Quezon City: UP NISMED, 2002.
Lua MLA (9ú heag.)University of the Philippines Diliman. National Institute for Science and Mathematics Education Development. The Physics Education Workgroup Writing Team. Practical Work in High School Physics: A Sourcebook for Teachers. UP NISMED, 2002.