MALHOTRA, H. R. (2016). ELEMENTARY MENTAL MATHEMATICS - BOOK 4. SOM SUDHA PUBLICATION.
芝加哥风格引文MALHOTRA, H R. ELEMENTARY MENTAL MATHEMATICS - BOOK 4. NEW DELHI: SOM SUDHA PUBLICATION, 2016.
MLA引文MALHOTRA, H R. ELEMENTARY MENTAL MATHEMATICS - BOOK 4. SOM SUDHA PUBLICATION, 2016.
警告：这些引文格式不一定是100％准确.