1. TTEEXXTT--BBOOOOKKSS AAUUTTHHOORREEDD BBYY PPRROOFF.. TT.. LL.. SSIINNGGAALL
International Publication International Publication International Publication
Cambridge University Press
ISBN: 978‐1‐316‐61004‐6
First Edition, Copyright © 2016
www.cambridgeindia.org
McGraw Hill Education
ISBN: 978‐93‐392‐1952‐9
First Edition, Copyright © 2015
http://highered/mheducation.com/sites/933921952x
McGraw Hill Education
ISBN: 978‐0‐07‐107269‐4
Copyright © 2012, Fifth Reprint 2015
URL: www.mhhe.com/singal/adc1
International Publication National Publication National Publication
McGraw Hill Education
ISBN: 978‐0‐07‐068178‐1
Copyright © 2010, Eighth Reprint 2015
URL: www.mhhe.com/singal/wc
PBS Education
ISBN: 978‐93‐83210‐38‐1
First Edition, Copyright © 2015
PBS Education
ISBN: 978‐9‐38‐321017‐6
First Edition, Copyright © 2014
National Publication University Publication
PBS Education
First Edition, 2010
Chitkara University Publications
ISBN: 978‐93‐82782‐16‐2; First Edition, 2014