Ellet, W. (2018). The case study handbook: A student's guide (Revised edition.). Harvard Business Review Press.
Chicago Style aipamenaEllet, William. The Case Study Handbook: A Student's Guide. Revised edition. Boston, Massachusetts: Harvard Business Review Press, 2018.
MLA aipamenaEllet, William. The Case Study Handbook: A Student's Guide. Revised edition. Harvard Business Review Press, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.