APA (7 वां संस्करण) प्रशस्ति पत्र

John, R. S. (2011). The 8 Traits successful people have in common. Embassy book.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

John, Richard St. The 8 Traits Successful People Have in Common. Mumbai: Embassy book, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

John, Richard St. The 8 Traits Successful People Have in Common. Embassy book, 2011.