Hecht, E. (2003). Physics: Algebra/trigonometry (3rd ed.). Thomson/Brooks/Cole.
Cita Chicago (17th ed.)Hecht, Eugene. Physics: Algebra/trigonometry. 3rd ed. Pacific Grove: Thomson/Brooks/Cole, 2003.
Cita MLA (8th ed.)Hecht, Eugene. Physics: Algebra/trigonometry. 3rd ed. Thomson/Brooks/Cole, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.