Singh, R. (2003). National ecotourism and wildlife tourism: Policies and guidelines. Kanishka.
Čikaški stil citiranjaSingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.
MLA način citiranjaSingh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. Kanishka, 2003.
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