4.
Gardner, W., Pickett, C., & Knowles, M. (2005). Social snacking and shielding. Using social symbols, selves, and surrogates in the service of belonging needs. In K. D. Williams, J. P. Forgas, & W. von Hippel (Eds.), The social outcast: Ostracism, social exclusion, rejection, and bullying (pp. 227–241). Psychology Press.