GREWAL N; GREWAL S S. (1990). SUCCESSFUL STOCK MARKET INVESTING. VISION BOOKS PVT. LTD.
Lua i Stíl Chicago (17ú heag.)GREWAL N; GREWAL S S. SUCCESSFUL STOCK MARKET INVESTING. NEW DELHI: VISION BOOKS PVT. LTD, 1990.
Lua MLA (9ú heag.)GREWAL N; GREWAL S S. SUCCESSFUL STOCK MARKET INVESTING. VISION BOOKS PVT. LTD, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.