Segrave, K. (2014). Wiretapping and electronic surveillance in America, 1862-1920. McFarland & Company Inc., Publishers.
Lua i Stíl Chicago (17ú heag.)Segrave, Kerry. Wiretapping and Electronic Surveillance in America, 1862-1920. Jefferson, North Carolina: McFarland & Company Inc., Publishers, 2014.
Lua MLA (9ú heag.)Segrave, Kerry. Wiretapping and Electronic Surveillance in America, 1862-1920. McFarland & Company Inc., Publishers, 2014.
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