Singh, R. (2003). National ecotourism and wildlife tourism: Policies and guidelines. Kanishka.
Chicago-stil citatSingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.
MLA-referensSingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. Kanishka, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.