APA (7 वां संस्करण) प्रशस्ति पत्र

Thomas,Gray. (2011). How to do your case study: A guide for students and researchers. Sage.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Thomas,Gray. How to Do Your Case Study: A Guide for Students and Researchers. Los Angeles,Calif:London: Sage, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Thomas,Gray. How to Do Your Case Study: A Guide for Students and Researchers. Sage, 2011.