1. Baumeister, R. F., Leary M. R. (1995) The need to belong: Desire for interpersonal attachments as a fundamental human motivation. Psychol. Bull., 117: 497–529.
2. Eisenberger, N. I., Lieberman, M. D. (2004) Why rejection hurts: A common neural alarm system for physical and social pain. Trends Cogn. Sci., 8: 294–300.
3. Cacioppo, J. T., Patrick, W. (2008) Loneliness: Human Nature and the Need for Social Connection. New York: WW Norton.
4. Zak, P. J. (2005) Trust: A temporary human attachment facilitated by oxytocin. Behav. Brain Sci., 28:3: 368–369.
5. Gonzales, A. L., Hancock, J. T., Pennebaker, J. W. (2010) Language style matching as a predictor of social dynamics in small groups. Commun. Res., 37:1: 3–19.