Prasad, H. M. (2013). A handbook of spotting errors for Competitive examination (2nd.). TMH.
Dyfyniad Arddull ChicagoPrasad, Hari Mohan. A Handbook of Spotting Errors for Competitive Examination. 2nd. New Delhi: TMH, 2013.
Dyfyniad MLAPrasad, Hari Mohan. A Handbook of Spotting Errors for Competitive Examination. 2nd. TMH, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.