Krug, G. (2005). Communication, technology and cultural change. SAGE.
Cita Chicago (17th ed.)Krug, Gary. Communication, Technology and Cultural Change. London: SAGE, 2005.
Cita MLA (9th ed.)Krug, Gary. Communication, Technology and Cultural Change. SAGE, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.