DAS.M.L/ DR CHATTOPADHYAY.A / MITRA.J.K. (2013). ELEMENTARY COMMERICAL STUDIES FOR ICSE CLASSS- X. ABS PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)DAS.M.L/ DR CHATTOPADHYAY.A / MITRA.J.K. ELEMENTARY COMMERICAL STUDIES FOR ICSE CLASSS- X. ABS PUBLISHING HOUSE, 2013.
Lua MLA (9ú heag.)DAS.M.L/ DR CHATTOPADHYAY.A / MITRA.J.K. ELEMENTARY COMMERICAL STUDIES FOR ICSE CLASSS- X. ABS PUBLISHING HOUSE, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.