Beauchamp, C. (2010). Who invented the telephone?: Lawyers, patents, and the judgments of history.
Chicago-Zitierstil (17. Ausg.)Beauchamp, Christopher. Who Invented the Telephone?: Lawyers, Patents, and the Judgments of History. 2010.
MLA-Zitierstil (9. Ausg.)Beauchamp, Christopher. Who Invented the Telephone?: Lawyers, Patents, and the Judgments of History. 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.