Cita APA (7th ed.)

Hills, M. T. (1979). Telecommunications switching principles. The MIT Press.

Cita Chicago (17th ed.)

Hills, M. T. Telecommunications Switching Principles. Cambridge, Massachusetts: The MIT Press, 1979.

Cita MLA (9th ed.)

Hills, M. T. Telecommunications Switching Principles. The MIT Press, 1979.