Gupta , P. (2006). Income tax, central salex tax, service tax, VAT assessment year 2006-07 (3rd ed.). M.K.Gupta tax classes.
Lua i Stíl Chicago (17ú heag.)Gupta , Parul. Income Tax, Central Salex Tax, Service Tax, VAT Assessment Year 2006-07. 3rd ed. New Delhi: M.K.Gupta tax classes, 2006.
Lua MLA (9ú heag.)Gupta , Parul. Income Tax, Central Salex Tax, Service Tax, VAT Assessment Year 2006-07. 3rd ed. M.K.Gupta tax classes, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.