Desai, K. (1961). A textbook of commercial Arithmetic (1st.). Rotab Mahal Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Desai, K. A Textbook of Commercial Arithmetic. 1st. Allahabad: Rotab Mahal Pvt. Ltd, 1961.
Lua MLA (9ú heag.)Desai, K. A Textbook of Commercial Arithmetic. 1st. Rotab Mahal Pvt. Ltd, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.