Univeristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team & Carale, L. R. (2001). Practical work in elementary school science, grade 1: A sourcebook for teachers. UP NISMED.
Chicago Style (17. basım) AtıfUniveristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team ve Lourdes R. Carale. Practical Work in Elementary School Science, Grade 1: A Sourcebook for Teachers. Diliman, Quezon City: UP NISMED, 2001.
MLA (9th ed.) AtıfUniveristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team ve Lourdes R. Carale. Practical Work in Elementary School Science, Grade 1: A Sourcebook for Teachers. UP NISMED, 2001.