Chopra, K. (1999). Operationalising sustainable development:economic-ecological: Modelling for developing countries. Sage.
Cita Chicago (17th ed.)Chopra, Kanchan. Operationalising Sustainable Development:economic-ecological: Modelling for Developing Countries. New Delhi: Sage, 1999.
Cita MLA (9th ed.)Chopra, Kanchan. Operationalising Sustainable Development:economic-ecological: Modelling for Developing Countries. Sage, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.