Heyer, P. a. U. (2019). Communication in History: Stone Age Symbols to Social Media (Seventh Edition.). Routledge.
Chicago Edition CitationHeyer, Paul and Urquhart. Communication in History: Stone Age Symbols to Social Media. Seventh Edition. New York: Routledge, 2019.
Cita MLAHeyer, Paul and Urquhart. Communication in History: Stone Age Symbols to Social Media. Seventh Edition. Routledge, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.