DEBROY BIBEK. (1995). ECONOMIC AND SOCIAL ENVIRONMENT. GLOBAL BUSINESS.
Lua i Stíl Chicago (17ú heag.)DEBROY BIBEK. ECONOMIC AND SOCIAL ENVIRONMENT. DELHI: GLOBAL BUSINESS, 1995.
Lua MLA (9ú heag.)DEBROY BIBEK. ECONOMIC AND SOCIAL ENVIRONMENT. GLOBAL BUSINESS, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.