The case study should be double spaced, 12 pt. font, in APA style, with 1-inch margins. The case study should be at least 5 to 7 pages total, not including title page or reference page. The references must be peer reviewed academic journal articles. Do not use Wikipedia as it is not credible; non-experts write it.
The following link is a good has some good info on the case
https://www.shrm.org/resourcesandtools/hr-topics/employee-relations/pages/hr-moves-with-the-great-reshuffling.