"A case study is considered to be a research approach involving the in-depth study of a real-life entity or context having clearly outlined and definitive boundaries. A case study can use a range of research methods and sources in order to gather its information. Equally, it may involve qualitative and quantitative data."
Case studies usually follow this format:
Case study. (2011). In P. Stokes, Palgrave Key concepts: Key concepts in business and management research methods. Macmillan Publishers Ltd. Credo Reference. https://saintleo.idm.oclc.org/login?url=https://search.credoreference.com/content/entry/macbamm/case_study/0?institutionId=796
After opening ProQuest ABI/Inform database or ProQuest One Business:
After opening EBSCO Business Source Complete: