Guerrero, L. K.,& Floyd, K.(2006). Nonverbal commu-nication in close relationships. Mahwah, NJ: Erlbaum.
Guillory, J. E., Hancock, J. T., Woodruff, C.,& Keilman, J.(2015). Text messaging reduces analgesic requirements during surgery. Pain Medicine, 16, 667–672.
Gunraj, D. N., Drumm-Hewitt, A. M., Dashow, E. M., Upadhyay, S. S. N.,& Kline, C. M.(2016). Texting insincerely: The role of the period in text messages. Computers in Human Behavior, 55, 1067–1075.