APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Univeristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team en Lourdes R. Carale. Practical Work in Elementary School Science, Grade 1: A Sourcebook for Teachers. Diliman, Quezon City: UP NISMED, 2001.

MLA (9e ed.) Bronvermelding

Univeristy of the Philippines Diliman. National Institute for Science and Mathematics Education Development Writing Team en Lourdes R. Carale. Practical Work in Elementary School Science, Grade 1: A Sourcebook for Teachers. UP NISMED, 2001.