Levinson, P. (2004). Cellphone: The story of the world’s most mobile medium and how it has transformed everything! New York, N.Y: Palgrave Macmillan.
Dyfyniad Arddull ChicagoLevinson, Paul. Cellphone: The Story of the World’s Most Mobile Medium and How It Has Transformed Everything! New York, N.Y: Palgrave Macmillan, 2004.
Dyfyniad MLALevinson, Paul. Cellphone: The Story of the World’s Most Mobile Medium and How It Has Transformed Everything! New York, N.Y: Palgrave Macmillan, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.