Carale, L. R., Campo, P. C., & Acuna, J. E. (2003). Concept development in Filipino children: The circulatory system. National Institute for Science and Mathematics Education Development, University of the Philippines.
Lua i Stíl Chicago (17ú heag.)Carale, Lourdes Reyes, Pia C. Campo, agus Jasmin Espiritu Acuna. Concept Development in Filipino Children: The Circulatory System. Quezon City: National Institute for Science and Mathematics Education Development, University of the Philippines, 2003.
Lua MLA (9ú heag.)Carale, Lourdes Reyes, et al. Concept Development in Filipino Children: The Circulatory System. National Institute for Science and Mathematics Education Development, University of the Philippines, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.