APA (7 वां संस्करण) प्रशस्ति पत्र

Guptan, S. U. (2018). Mentoring 2.0: A practitioner's Guide to Changing Lives. SAGE Publications India Pvt Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Guptan, Sunil Unny. Mentoring 2.0: A Practitioner's Guide to Changing Lives. New Delhi: SAGE Publications India Pvt Ltd, 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Guptan, Sunil Unny. Mentoring 2.0: A Practitioner's Guide to Changing Lives. SAGE Publications India Pvt Ltd, 2018.