Joel, A. E. (1976). Electronic switching: Central office system of the world. Institute of Electrical and Electronics Engineers.
Chicago Edition CitationJoel, Amos E. Electronic Switching: Central Office System of the World. New York: Institute of Electrical and Electronics Engineers, 1976.
MLA Edition CitationJoel, Amos E. Electronic Switching: Central Office System of the World. Institute of Electrical and Electronics Engineers, 1976.
Warning: These citations may not always be 100% accurate.