Bhalla, A. S. (1992). Environment, employment and development. International Labour Office.
Cita Chicago Style (17a ed.)Bhalla, A. S. Environment, Employment and Development. Geneva: International Labour Office, 1992.
Cita MLA (8a ed.)Bhalla, A. S. Environment, Employment and Development. International Labour Office, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.