Guptan, S. U. (2018). Mentoring 2.0: A practitioner's Guide to Changing Lives. SAGE Publications India Pvt Ltd.
Lua i Stíl Chicago (17ú heag.)Guptan, Sunil Unny. Mentoring 2.0: A Practitioner's Guide to Changing Lives. New Delhi: SAGE Publications India Pvt Ltd, 2018.
Lua MLA (9ú heag.)Guptan, Sunil Unny. Mentoring 2.0: A Practitioner's Guide to Changing Lives. SAGE Publications India Pvt Ltd, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.