Sinha, P. C. (1998). International encyclopedia of Sustainable development Vol 2 Green movements.
Chicago Edition CitationSinha, P C. International Encyclopedia of Sustainable Development Vol 2 Green Movements. NewDelhi, Anmol, 1998.
Cita MLASinha, P C. International Encyclopedia of Sustainable Development Vol 2 Green Movements. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.