Prasad, H. M. (2013). A handbook of spotting errors for Competitive examination (2nd.). TMH.
Citazione stile Chigago Style (17a edizione)Prasad, Hari Mohan. A Handbook of Spotting Errors for Competitive Examination. 2nd. New Delhi: TMH, 2013.
Citatione MLA (9a ed.)Prasad, Hari Mohan. A Handbook of Spotting Errors for Competitive Examination. 2nd. TMH, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.