MALHOTRA, R. &. D. (2016). WONDER WORLD ENVIRONMENTAL STUDIES - BOOK 4. ENCYCLOPEDIA BRITANNICA.
芝加哥风格引文MALHOTRA, RENU & DUDEJA. WONDER WORLD ENVIRONMENTAL STUDIES - BOOK 4. NEW DELHI: ENCYCLOPEDIA BRITANNICA, 2016.
MLA引文MALHOTRA, RENU & DUDEJA. WONDER WORLD ENVIRONMENTAL STUDIES - BOOK 4. ENCYCLOPEDIA BRITANNICA, 2016.
警告：这些引文格式不一定是100％准确.