Hopkins, W. J. (1894). Telephone lines and their properties (New ed., rev. and enl.). Longmans, Green.
Chicago Style (17th ed.) CitationHopkins, William John. Telephone Lines and Their Properties. New ed., rev. and enl. New York: Longmans, Green, 1894.
Cita MLAHopkins, William John. Telephone Lines and Their Properties. New ed., rev. and enl. Longmans, Green, 1894.
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