GUPTA, V. &. K. (2016). TREE HOUSE ENVIRONMENTAL STUDIES FOR ICSE PRIMARY SCHOOL - CLASS 2. OXFORD UNIVERSITY PRESS.
芝加哥风格引文GUPTA, VAISHALI & KOLEY. TREE HOUSE ENVIRONMENTAL STUDIES FOR ICSE PRIMARY SCHOOL - CLASS 2. NEW DELHI: OXFORD UNIVERSITY PRESS, 2016.
MLA引文GUPTA, VAISHALI & KOLEY. TREE HOUSE ENVIRONMENTAL STUDIES FOR ICSE PRIMARY SCHOOL - CLASS 2. OXFORD UNIVERSITY PRESS, 2016.
警告：这些引文格式不一定是100％准确.