Singh, R. (2003). National ecotourism and wildlife tourism: Policies and guidelines. Kanishka.
Stile di citazione ChicagoSingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.
Citazione MLASingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. Kanishka, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.