APA aipamena

Joel, A. E. (1976). Electronic switching: Central office system of the world. Institute of Electrical and Electronics Engineers.

Chicago Style aipamena

Joel, Amos E. Electronic Switching: Central Office System of the World. New York: Institute of Electrical and Electronics Engineers, 1976.

MLA aipamena

Joel, Amos E. Electronic Switching: Central Office System of the World. Institute of Electrical and Electronics Engineers, 1976.