Williams, F. (1991). The new telecommunications: Infrastructure for the information age. New York: The Free Press.
استشهاد بنمط شيكاغوWilliams, Frederick. The New Telecommunications: Infrastructure for the Information Age. New York: The Free Press, 1991.
MLA استشهادWilliams, Frederick. The New Telecommunications: Infrastructure for the Information Age. New York: The Free Press, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.