P. C Sinha. (2005). Encyclopaedia of travel, tourism and ecotourism Vol-1. Anmol.
Chicago Edition CitationP. C Sinha. Encyclopaedia of Travel, Tourism and Ecotourism Vol-1. New Delhi: Anmol, 2005.
Cita MLAP. C Sinha. Encyclopaedia of Travel, Tourism and Ecotourism Vol-1. Anmol, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.