University of the Philippines, Quezon City. Institute for Science and Mathematics Education Development. Test Item Bank 4 Writing Group, & Belen,Josefina G. (1985). Elementary school science 4: Changes all around. Institute for Science and Mathematics Education Development, University of the Philippines.
Chicagoスタイル(17版)引用形式University of the Philippines, Quezon City. Institute for Science and Mathematics Education Development. Test Item Bank 4 Writing Group, , Belen,Josefina G. Elementary School Science 4: Changes All Around. Quezon City: Institute for Science and Mathematics Education Development, University of the Philippines, 1985.
MLA(9版)引用形式University of the Philippines, Quezon City. Institute for Science and Mathematics Education Development. Test Item Bank 4 Writing Group, , Belen,Josefina G. Elementary School Science 4: Changes All Around. Institute for Science and Mathematics Education Development, University of the Philippines, 1985.