APA (7 वां संस्करण) प्रशस्ति पत्र

Kumar, R. (2019). Research methodology: A step-by-step guide for beginners (5th.). Sage.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 5th. Los Angeles: Sage, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 5th. Sage, 2019.