Hecht, E. (1998). Physics: Algebra/trig (2nd ed.). Brooks/Cole Pub.
Cita Chicago (17th ed.)Hecht, Eugene. Physics: Algebra/trig. 2nd ed. Pacific Grove, Calif: Brooks/Cole Pub, 1998.
Cita MLA (9th ed.)Hecht, Eugene. Physics: Algebra/trig. 2nd ed. Brooks/Cole Pub, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.