GUPTA, V. &. K. (2016). TREE HOUSE ENVIRONMENTAL STUDIES FOR ICSE PRIMARY SCHOOL - CLASS 2. OXFORD UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)GUPTA, VAISHALI & KOLEY. TREE HOUSE ENVIRONMENTAL STUDIES FOR ICSE PRIMARY SCHOOL - CLASS 2. NEW DELHI: OXFORD UNIVERSITY PRESS, 2016.
Lua MLA (9ú heag.)GUPTA, VAISHALI & KOLEY. TREE HOUSE ENVIRONMENTAL STUDIES FOR ICSE PRIMARY SCHOOL - CLASS 2. OXFORD UNIVERSITY PRESS, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.