Hecht, E. (2003). Physics: Algebra/trigonometry (3rd ed.). Thomson/Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Hecht, Eugene. Physics: Algebra/trigonometry. 3rd ed. Pacific Grove: Thomson/Brooks/Cole, 2003.
Lua MLA (8ú heag.)Hecht, Eugene. Physics: Algebra/trigonometry. 3rd ed. Thomson/Brooks/Cole, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.