Kingston‚ S. (2008). Bullying as a social process; Factors influencing bystander behaviours. Faculty of child and youth studies‚ Brook University‚ St Catharines‚ Ontario. M.A Thesis. https://dr.library.brocku.ca/handle/10464/1413?show=full .
Kane‚ Michelle (2015). The Relationship Between Self-Efficacy‚ Empathy and Personal Responsibility On Bullying Participant Roles. BA Hons in Psychology at Dublin Business School.