By Howard Anton

Published by National book foundation, 2004

By Thamsa

Published by Addison Wesley Co. Ionc, 1957

By Stanley I. Grossman

Published by Harvourt Brace College Publishers, 1992

By Punjab Text book Board, Lahore

Published by Waheed Sons, 1991

By George B. Thomas

Published by National book foundation, 2004

By George B. Thomas , Ross L Finney

Published on 0

By N.H.Zaid and others

Published by Ferozesons, 1971

By Sales/Hille S.L.Salas Einar Hille

Published by John Wiley and sons, 1990

By Angus E. Taylor

Published by National Book Foundation, 1986

By Dr.S.M.Yousaf and others

Published by Ilmi Kitab Khana, 1990