Manterfield, R. J. (1999). Telecommunications signalling. Institution of Electrical Engineers.
Cita Chicago (17th ed.)Manterfield, Richard J. Telecommunications Signalling. London: Institution of Electrical Engineers, 1999.
Cita MLA (8th ed.)Manterfield, Richard J. Telecommunications Signalling. Institution of Electrical Engineers, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.