Haber-Schaim, U. (1991). PSSC physics (7th ed.). Kendall/Hunt.
Cita Chicago (17th ed.)Haber-Schaim, Uri. PSSC Physics. 7th ed. Dubuque, Iowa: Kendall/Hunt, 1991.
Cita MLA (9th ed.)Haber-Schaim, Uri. PSSC Physics. 7th ed. Kendall/Hunt, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.