Sent from My iPhone: The Medium and Message as Cues of Sender Professionalism in Mobile Telephony - Carr, Caleb T. and Stefaniak, Chad (Journal of Applied Communication Research, 2012)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8wMDkwOTg4Mi4yMDEyLjcxMjcwNw