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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Univeristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team và Lourdes R. Carale. Practical Work in Elementary School Science, Grade 1: A Sourcebook for Teachers. Diliman, Quezon City: UP NISMED, 2001.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Univeristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team và Lourdes R. Carale. Practical Work in Elementary School Science, Grade 1: A Sourcebook for Teachers. UP NISMED, 2001.