Kamraj, S. (1999). Refresher course in FYJC economics XI. Aarti.
Lua i Stíl Chicago (17ú heag.)Kamraj, S. Refresher Course in FYJC Economics XI. Mumbai: Aarti, 1999.
Lua MLA (9ú heag.)Kamraj, S. Refresher Course in FYJC Economics XI. Aarti, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.