Only write All those references which are Utilized in the case study. Never use over 15 references. Don't use textbook references. Never use personnel communication in this article. “Also a shoutout to @chegg whose tutorials helped me move my data class and obtain a hell of an honest grade.” https://hbrcasestudyanalysis20631.blogocial.com/harvard-case-study-help-an-overview-70893015