Williams, F. (1991). The new telecommunications: Infrastructure for the information age. Free Press.
Cita Chicago (17th ed.)Williams, Frederick. The New Telecommunications: Infrastructure for the Information Age. New York: Free Press, 1991.
Cita MLA (9th ed.)Williams, Frederick. The New Telecommunications: Infrastructure for the Information Age. Free Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.