Espartero, L. M. (1971). Equipment and materials needed for the UP-SEC Physics course.
Lua i Stíl Chicago (17ú heag.)Espartero, Leodegario M. Equipment and Materials Needed for the UP-SEC Physics Course. Quezon City, 1971.
Lua MLA (9ú heag.)Espartero, Leodegario M. Equipment and Materials Needed for the UP-SEC Physics Course. 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.