APA aipamena

MALHOTRA, H. R. (2016). ELEMENTARY MENTAL MATHEMATICS - BOOK 4. SOM SUDHA PUBLICATION.

Chicago Style aipamena

MALHOTRA, H R. ELEMENTARY MENTAL MATHEMATICS - BOOK 4. NEW DELHI: SOM SUDHA PUBLICATION, 2016.

MLA aipamena

MALHOTRA, H R. ELEMENTARY MENTAL MATHEMATICS - BOOK 4. SOM SUDHA PUBLICATION, 2016.