Singh, R. (2003). National ecotourism and wildlife tourism: Policies and guidelines. Kanishka.
Chicago Edition CitationSingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.
Cita MLASingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. Kanishka, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.