IMM Graduate School Harvard Referencing System Guide
In-text: Study guides should be written in the correct format (Bruwer et al., 2010). or Bruwer, et al. (2010) states…
Reference list: Bruwer, A., Wright, P.R., Prince, M.C. and Victor, A. (2010). The how-to guide to writing a study guide. Johannesburg: Academic Solutions Group.