Curriculum Development Center for Science and Mathematics, Science Education Center. (1977). Geometry for high school (Teacher's ed.). Department of Education and Culture, Republic of the Philippines.
Lua i Stíl Chicago (17ú heag.)Curriculum Development Center for Science and Mathematics, Science Education Center. Geometry for High School. Teacher's ed. Manila: Department of Education and Culture, Republic of the Philippines, 1977.
Lua MLA (9ú heag.)Curriculum Development Center for Science and Mathematics, Science Education Center. Geometry for High School. Teacher's ed. Department of Education and Culture, Republic of the Philippines, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.