Practice as a marketing tool: four case studies
 Artikel Jurnal
Spurr, Ian
Case studies in marketing Ian Spurr and Jerry Forrester
London Pitman 1987,
 Buku Teks
Strategic marketing management in Asia: case studies and lessons across industries
edited by Syed Saad Andaleeb, Khalid Hasan
Emerald, 2017
 eBooks
Case studies in occupational epidemiology
edited by Kyle Steenland
Oxford University Press, 1993
 Buku Teks SO
Case studies in the neuropsychology of vision
edited by Glyn W. Humphreys
Psychology Press, 1999
 Buku Teks SO