OBEROI, V. (2017). I CARE MY BOOK OF ENVIRONMENTAL AWARENESS - BOOK 5. CAMBRIDGE UNIVERSITY PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOBEROI, VIDHI. I CARE MY BOOK OF ENVIRONMENTAL AWARENESS - BOOK 5. DELHI: CAMBRIDGE UNIVERSITY PRESS, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOBEROI, VIDHI. I CARE MY BOOK OF ENVIRONMENTAL AWARENESS - BOOK 5. CAMBRIDGE UNIVERSITY PRESS, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.