APA citiranje

Bellamy, J. C. (1982). Digital telephony. New York: John Wiley and Sons.

Trích dẫn kiểu Chicago

Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.

MLA citiranje

Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.

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