Prasad, H. M. (2013). A handbook of spotting errors for Competitive examination (2nd.). TMH.
Cita Chicago (17th ed.)Prasad, Hari Mohan. A Handbook of Spotting Errors for Competitive Examination. 2nd. New Delhi: TMH, 2013.
Cita MLA (9th ed.)Prasad, Hari Mohan. A Handbook of Spotting Errors for Competitive Examination. 2nd. TMH, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.