Rathnam, P. (1990). B.Com. Accountancy: Vol. I. Himalaya.
Lua i Stíl Chicago (17ú heag.)Rathnam, P. B.Com. Accountancy: Vol. I. Bombay: Himalaya, 1990.
Lua MLA (9ú heag.)Rathnam, P. B.Com. Accountancy: Vol. I. Himalaya, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.