APA-ийн эшлэл(7 дахь хэвлэлт)

OBEROI, V. (2017). I CARE MY BOOK OF ENVIRONMENTAL AWARENESS - BOOK 4. CAMBRIDGE UNIVERSITY PRESS.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

OBEROI, VIDHI. I CARE MY BOOK OF ENVIRONMENTAL AWARENESS - BOOK 4. DELHI: CAMBRIDGE UNIVERSITY PRESS, 2017.

MLA -ийн эшлэл (9 дэх хэвлэлт)

OBEROI, VIDHI. I CARE MY BOOK OF ENVIRONMENTAL AWARENESS - BOOK 4. CAMBRIDGE UNIVERSITY PRESS, 2017.