APA (7 वां संस्करण) प्रशस्ति पत्र

Gray, D. (2018). Doing research in the real world (4th edition.). Sage Pub.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gray, David. Doing Research in the Real World. 4th edition. Thousand Oaks, CA: Sage Pub, 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gray, David. Doing Research in the Real World. 4th edition. Sage Pub, 2018.