Singhal, R. L. (1987). Solid state physics (6th ed.). Kedar Nath Ram Nath.
Cita Chicago (17th ed.)Singhal, R. L. Solid State Physics. 6th ed. Meerut: Kedar Nath Ram Nath, 1987.
Cita MLA (9th ed.)Singhal, R. L. Solid State Physics. 6th ed. Kedar Nath Ram Nath, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.