(1992). Birla Economic Research Foundation. Economic Research Division: Birla Economic Research Foundation. Allied.
Citazione stile Chigago Style (17a edizione)Birla Economic Research Foundation. Economic Research Division: Birla Economic Research Foundation. New Delhi.: Allied, 1992.
Citatione MLA (9a ed.)Birla Economic Research Foundation. Economic Research Division: Birla Economic Research Foundation. Allied, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.